{"title":"Nexus R-Series Plug N Play Kits","description":"\u003cp\u003eThe Haltech Nexus R-Series have everything built around it, including plug and play adapter harness kits for dozens of chassis. Engine management plus integrated power distribution in one unit, the platform behind many of our own shop builds.\u003c\/p\u003e","products":[{"product_id":"mazda-rx8-engine-swap-chassis-jumper-series-1-tbs-00317","title":"Mazda RX-8 Engine Swap Chassis Jumper DIY | Series 1 2004-2008 (TBS-00317)","description":"\u003cp\u003e\u003cstrong\u003eSwapping the engine is the easy part. Keeping the RX-8's chassis happy is where the wiring fight starts.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDrop a Haltech ECU into an RX-8 and the chassis side still expects Mazda signals: relays, switches, CAN, and the accelerator pedal all need to be answered. The \u003cstrong\u003eMazda RX-8 Engine Swap Chassis Jumper\u003c\/strong\u003e bridges your Haltech engine management into the Series 1 chassis so the factory functions keep working the way Mazda intended. Built for the DIY wirer handling their own engine harness, it takes the body side off your plate. One clean interface between your swap and your street car.\u003c\/p\u003e\n\u003ch3\u003eWhat You'll Feel\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFuel pump, fans, and brake and clutch switches working like stock on day one\u003c\/li\u003e\n\u003cli\u003eNo digging through Mazda wiring diagrams to chase CAN and pedal pins\u003c\/li\u003e\n\u003cli\u003eA swap that still drives like a street car, AC and cruise circuits included\u003c\/li\u003e\n\u003cli\u003eClean, serviceable integration instead of mystery splices behind the dash\u003c\/li\u003e\n\u003cli\u003eMore time spent on the engine side, where the fun actually is\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose-built bridge between Haltech engine management and the Series 1 (2004-2008) RX-8 chassis\u003c\/li\u003e\n\u003cli\u003eSupports the Haltech Nexus S3, R3, and R5\u003c\/li\u003e\n\u003cli\u003eRetains 16 factory chassis circuits, from EFI main relay to thermo fans\u003c\/li\u003e\n\u003cli\u003eRX-8 CAN H and CAN L integration\u003c\/li\u003e\n\u003cli\u003eAccelerator pedal position passthrough for drive-by-wire\u003c\/li\u003e\n\u003cli\u003eCruise control circuit available, usable for rolling anti-lag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported Chassis Functions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEFI Relay (Main Relay)\u003c\/li\u003e\n\u003cli\u003eClutch Switch\u003c\/li\u003e\n\u003cli\u003eFuel Pump\u003c\/li\u003e\n\u003cli\u003eBrake Switch\u003c\/li\u003e\n\u003cli\u003eIgnition 12v Key On Switched Power\u003c\/li\u003e\n\u003cli\u003eRX-8 CAN L\u003c\/li\u003e\n\u003cli\u003eRX-8 CAN H\u003c\/li\u003e\n\u003cli\u003eSignal Ground\u003c\/li\u003e\n\u003cli\u003eAC Activation Input\u003c\/li\u003e\n\u003cli\u003eAccelerator Pedal Position\u003c\/li\u003e\n\u003cli\u003eStarter Relay Negative\u003c\/li\u003e\n\u003cli\u003eCruise Control (can be used for Rolling Anti Lag)\u003c\/li\u003e\n\u003cli\u003eThermo Fan 1 and 2\u003c\/li\u003e\n\u003cli\u003eECU Ground\u003c\/li\u003e\n\u003cli\u003eHaltech CAN Ground\u003c\/li\u003e\n\u003cli\u003eHaltech CAN 12V Power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Details\u003c\/h3\u003e\n\u003cp\u003eAn engine swap orphans the body side of the car. The factory PCM used to answer the fuel pump relay, the fans, the pedal, and the CAN messages the rest of the chassis listens for, and once it's gone, those circuits need a translator. The jumper maps your Haltech's I\/O to the Series 1 chassis circuits through one purpose-built interface, so you wire the engine side your way and plug the body side in. It's made for builders running their own engine harness who want the chassis integration solved instead of reverse-engineered. Compatible Haltech units: Nexus S3, Nexus R3, and Nexus R5.\u003c\/p\u003e\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\u003cp\u003e1x Mazda RX-8 Series 1 Chassis Jumper\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003e2004 Mazda RX-8\u003cbr\u003e2005 Mazda RX-8\u003cbr\u003e2006 Mazda RX-8\u003cbr\u003e2007 Mazda RX-8\u003cbr\u003e2008 Mazda RX-8\u003cbr\u003eChassis: Series 1\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":40378490945603,"sku":"TBS-00317","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/products\/Rx8ChassisJumper1.jpg?v=1703122688"},{"product_id":"haltech-nexus-r3-vcu-plug-n-play-2004-2008-mazda-rx8","title":"Haltech Nexus R3 VCU Plug'n'Play Kit - Mazda RX-8 Series 1 2004-2008 (TBS-00313)","description":"\u003cstyle\u003e\n  \/* Tuned By Shawn PDP styles. Scoped to .tbs-pdp, relative units only (rem\/em\/ch), zoom and mobile friendly. *\/\n  .tbs-pdp {\n    max-width: 78ch;\n    margin-inline: auto;\n    line-height: 1.6;\n    \/* ch does the sizing, rem bounds stop it inflating: body lands between 15.2px and 17px equivalent *\/\n    font-size: clamp(0.95rem, 1.8ch, 1.0625rem);\n    overflow-wrap: break-word;\n    text-rendering: optimizeLegibility;\n  }\n  .tbs-pdp h2,\n  .tbs-pdp h3,\n  .tbs-pdp h4 {\n    line-height: 1.25;\n    margin-block: 1.5em 0.5em;\n  }\n  .tbs-pdp h2 { font-size: clamp(1.25rem, 2.9ch, 1.65rem); }\n  .tbs-pdp h3 {\n    font-size: clamp(1.1rem, 2.5ch, 1.35rem);\n  }\n  .tbs-pdp h3::before {\n    content: \"\/\/\/ \";\n    color: #FFD100;\n    letter-spacing: -0.05em;\n  }\n  .tbs-pdp h4 { font-size: clamp(1rem, 2.2ch, 1.15rem); }\n  .tbs-pdp p, .tbs-pdp li { max-width: 72ch; }\n  .tbs-pdp ul, .tbs-pdp ol { padding-left: 3ch; }\n  .tbs-pdp li { margin-block: 0.35em; }\n  .tbs-pdp hr {\n    border: none;\n    border-top: 0.0625rem solid rgba(0, 0, 0, 0.15);\n    margin-block: 2em;\n  }\n\n  \/* Tables: fluid, wrapped in a horizontal scroll container so nothing overflows on narrow screens or high zoom *\/\n  .tbs-table-scroll {\n    overflow-x: auto;\n    -webkit-overflow-scrolling: touch;\n    margin-block: 1em;\n  }\n  .tbs-pdp table {\n    border-collapse: collapse;\n    width: 100%;\n    min-width: 36ch;\n    font-size: clamp(0.85rem, 1.7ch, 0.95rem);\n  }\n  .tbs-pdp caption {\n    caption-side: top;\n    text-align: left;\n    font-weight: 700;\n    padding-block: 0.5em;\n  }\n  .tbs-pdp th,\n  .tbs-pdp td {\n    border: 0.0625rem solid rgba(0, 0, 0, 0.2);\n    padding: 0.6em 1ch;\n    text-align: left;\n    vertical-align: top;\n  }\n  .tbs-pdp thead th {\n    background: #111;\n    color: #FFD100;\n  }\n  .tbs-pdp tbody th[scope=\"row\"] {\n    background: rgba(0, 0, 0, 0.05);\n    font-weight: 600;\n    white-space: normal;\n  }\n\n  .tbs-callout {\n    border: 0.0625rem solid #FFD100;\n    border-left: 0.5ch solid #FFD100;\n    padding: 0.75em 1.5ch;\n    margin-block: 1em;\n    max-width: 72ch;\n  }\n\n  @media (max-width: 40em) {\n    \/* Body copy stays at full reading size; table row text steps down, bounded both directions *\/\n    .tbs-pdp { font-size: clamp(0.95rem, 1.8ch, 1.0625rem); line-height: 1.65; }\n    .tbs-pdp p, .tbs-pdp li { font-size: clamp(0.95rem, 1.8ch, 1.0625rem); }\n    .tbs-pdp table { font-size: clamp(0.8rem, 1.6ch, 0.875rem); }\n    .tbs-pdp tbody th, .tbs-pdp tbody td {\n      font-size: clamp(0.75rem, 1.5ch, 0.8125rem);\n      line-height: 1.45;\n      padding: 0.45em 0.75ch;\n    }\n    .tbs-pdp thead th { font-size: clamp(0.8rem, 1.6ch, 0.875rem); }\n    .tbs-pdp caption { font-size: clamp(0.85rem, 1.7ch, 0.95rem); }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"tbs-pdp\"\u003e\n\u003ch2\u003eHaltech Nexus R3 Plug and Play VCU Kit for 2004-2008 Mazda RX-8 (13B-MSP Renesis)\u003c\/h2\u003e\n\u003cp\u003eA complete bolt-in standalone engine management upgrade for the 2004-2008 Mazda RX-8. This kit pairs the \u003cstrong\u003eHaltech Nexus R3 Vehicle Control Unit\u003c\/strong\u003e with our RX-8 plug and play integration, developed in house to work with the factory chassis rather than against it. The factory instrument cluster, ABS, and electric power steering keep working exactly as they did from the factory while you gain full standalone tuning control over the 13B-MSP Renesis.\u003c\/p\u003e\n\u003cp\u003eRotary-critical systems are fully supported: the auxiliary port valves (APV), the factory oil metering pump (OMP), and complete control of primary and secondary injector staging.\u003c\/p\u003e\n\u003cdiv class=\"tbs-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for the RX-8, not adapted to it.\u003c\/strong\u003e Cluster, ABS, and electric power steering stay online, and APV and OMP control are handled by the kit, so the Renesis runs the way Mazda intended while the tuning is finally in your hands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHaltech Nexus R3 VCU, configured for the 2004-2008 RX-8\u003c\/li\u003e\n\u003cli\u003eUSB ECU interface cable for tuning and changing settings\u003c\/li\u003e\n\u003cli\u003eWideband oxygen sensor\u003c\/li\u003e\n\u003cli\u003e1GB USB thumb drive\u003c\/li\u003e\n\u003cli\u003eHaltech keychain and sticker pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy this kit exists\u003c\/h3\u003e\n\u003cp\u003eMost standalone ECU installs on an RX-8 leave you with a running engine and a compromised car. The cluster stops reading, the ABS light comes on, the electric power steering drops out, and the rotary-specific hardware the Renesis depends on gets abandoned entirely. The RX-8 relies on constant communication between its modules, and it all disappears the moment the factory engine computer is removed.\u003c\/p\u003e\n\u003cp\u003eThis kit handles that for you. The integration keeps the factory chassis systems happy while the Nexus R3 takes over the engine, including the APV and OMP control that generic standalone installs leave behind. You focus on tuning the rotary instead of chasing electrical gremlins.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eRotary-specific control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjector staging\u003c\/strong\u003e: full control of the Renesis primary and secondary injector staging strategy, tunable to your fuel system and power goals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary port valves (APV)\u003c\/strong\u003e: factory APV operation is supported, preserving the port timing behavior the 13B-MSP was designed around\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil metering pump (OMP)\u003c\/strong\u003e: the factory OMP is supported, keeping apex seal lubrication managed the way the engine expects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eHaltech Nexus R3 engine management features\u003c\/h3\u003e\n\u003cp\u003eThe Nexus R3 is Haltech's mid-range Vehicle Control Unit. It combines a full engine management system, a power distribution module (PDM), a single-channel wideband controller, onboard data logging, and Wi-Fi communications in one sealed IP67 enclosure.\u003c\/p\u003e\n\u003ch4\u003eTuning and engine control\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSupports 2 to 4 rotor engines and 1 to 8 cylinder engines\u003c\/li\u003e\n\u003cli\u003eFull sequential fuel and spark, including leading and trailing ignition control\u003c\/li\u003e\n\u003cli\u003eClosed-loop idle speed control with learning\u003c\/li\u003e\n\u003cli\u003eClosed-loop O2 control via the onboard wideband (NTK and LSU4.9 supported)\u003c\/li\u003e\n\u003cli\u003eOnboard 4 bar MAP sensor\u003c\/li\u003e\n\u003cli\u003eModeled torque tables and 4D tuning tables with 3D compensations\u003c\/li\u003e\n\u003cli\u003eMulti-fuel support: gasoline, E85, methanol, ethanol, with flex fuel sensor input\u003c\/li\u003e\n\u003cli\u003eClosed-loop boost control by gear, road speed, time, or any user-defined channel\u003c\/li\u003e\n\u003cli\u003eLaunch control, anti-lag, rolling anti-lag, and flat shift\u003c\/li\u003e\n\u003cli\u003eHaltech Traction Control with mappable per-axle or per-wheel slip targets\u003c\/li\u003e\n\u003cli\u003eEngine protection with multi-level limits on every sensor\u003c\/li\u003e\n\u003cli\u003eNitrous control with up to 6 stages, wet or dry\u003c\/li\u003e\n\u003cli\u003eAuto-tune with short and long-term fuel and ignition learning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePower distribution (PDM)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 25A continuous push-pull PWM-capable outputs (5 kHz) for fuel pumps, fans, and other heavy loads\u003c\/li\u003e\n\u003cli\u003e6 x 8A high-side outputs (200 Hz PWM) for sensors, accessories, and lights\u003c\/li\u003e\n\u003cli\u003e6 x half-bridge outputs for motor control\u003c\/li\u003e\n\u003cli\u003eReplaces many traditional fuses and relays\u003c\/li\u003e\n\u003cli\u003eLive current draw logging on every output\u003c\/li\u003e\n\u003cli\u003eSoftware-configurable circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInputs and I\/O\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e11 x analog voltage inputs (0-5V) with switchable 5V pullup\u003c\/li\u003e\n\u003cli\u003e6 x synchronous pulsed inputs (zero crossing or adjustable threshold)\u003c\/li\u003e\n\u003cli\u003e2 x differential engine position inputs (trigger and home) with adjustable thresholds and glitch filters\u003c\/li\u003e\n\u003cli\u003e1 x onboard wideband lambda input\u003c\/li\u003e\n\u003cli\u003e8 x peak\/hold injector outputs\u003c\/li\u003e\n\u003cli\u003e8 x ignition outputs\u003c\/li\u003e\n\u003cli\u003e2 x CAN ports with switchable termination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConnectivity and logging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB laptop connection\u003c\/strong\u003e for tuning and firmware updates (interface cable included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Wi-Fi\u003c\/strong\u003e for live data monitoring and gauge mirroring while driving\u003c\/li\u003e\n\u003cli\u003eOnboard data logging at sample rates up to 1 kHz\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech IC-7 and uC-10 displays\u003c\/li\u003e\n\u003cli\u003eTuned with NSP (Nexus Software Programmer), a free download from Haltech\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat still works after install\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory instrument cluster: tachometer, speedometer, and warning lights\u003c\/li\u003e\n\u003cli\u003eABS (anti-lock braking)\u003c\/li\u003e\n\u003cli\u003eElectric power steering\u003c\/li\u003e\n\u003cli\u003eAuxiliary port valve (APV) operation\u003c\/li\u003e\n\u003cli\u003eFactory oil metering pump (OMP)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cdiv class=\"tbs-table-scroll\"\u003e\n\u003ctable\u003e\n\u003ccaption\u003eRX-8 Nexus R3 kit compatibility\u003c\/caption\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eItem\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSupported\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVehicle\u003c\/th\u003e\n\u003ctd\u003e2004-2008 Mazda RX-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e13B-MSP Renesis, naturally aspirated and forced-induction builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCluster\u003c\/th\u003e\n\u003ctd\u003eFactory RX-8 instrument cluster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSoftware\u003c\/th\u003e\n\u003ctd\u003eHaltech NSP (Nexus Software Programmer), Windows 10\/11, free download from Haltech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eDesigned as a true plug and play swap for the RX-8 chassis.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery\u003c\/li\u003e\n\u003cli\u003eRemove the factory engine computer and unplug its harness\u003c\/li\u003e\n\u003cli\u003eMount the Nexus R3 where the USB port stays accessible for tuning\u003c\/li\u003e\n\u003cli\u003eConnect the kit to the factory harness\u003c\/li\u003e\n\u003cli\u003eReconnect the battery, load your base map, and verify sensors before first start\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"tbs-table-scroll\"\u003e\n\u003ctable\u003e\n\u003ccaption\u003eHaltech Nexus R3 specifications summary\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eECU model\u003c\/th\u003e\n\u003ctd\u003eHaltech Nexus R3 VCU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEngine support\u003c\/th\u003e\n\u003ctd\u003eUp to 4 rotors or 8 cylinders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInjector outputs\u003c\/th\u003e\n\u003ctd\u003e8 peak\/hold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIgnition outputs\u003c\/th\u003e\n\u003ctd\u003e8 low-current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePDM outputs\u003c\/th\u003e\n\u003ctd\u003e4 x 25A high-current PWM, 6 x 8A high-side, 6 x half-bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAnalog inputs\u003c\/th\u003e\n\u003ctd\u003e11 (0-5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePulsed inputs\u003c\/th\u003e\n\u003ctd\u003e6 synchronous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWideband\u003c\/th\u003e\n\u003ctd\u003e1 onboard channel (NTK and LSU4.9), sensor included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMAP sensor\u003c\/th\u003e\n\u003ctd\u003eOnboard 4 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTuning interface\u003c\/th\u003e\n\u003ctd\u003eUSB (cable included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLive data \/ monitoring\u003c\/th\u003e\n\u003ctd\u003eWi-Fi or USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCAN bus\u003c\/th\u003e\n\u003ctd\u003eDual channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eData logging\u003c\/th\u003e\n\u003ctd\u003eOnboard, up to 1 kHz sample rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCase\u003c\/th\u003e\n\u003ctd\u003eIP67-rated sealed enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSoftware\u003c\/th\u003e\n\u003ctd\u003eNSP (Nexus Software Programmer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eWill my factory dash still work with a standalone ECU in an RX-8?\u003c\/h4\u003e\n\u003cp\u003eYes. The kit keeps the factory cluster fully functional after the Nexus R3 install, along with ABS and electric power steering.\u003c\/p\u003e\n\u003ch4\u003eDoes this kit control the oil metering pump, or do I need to premix?\u003c\/h4\u003e\n\u003cp\u003eThe factory OMP is supported by this kit, so apex seal lubrication stays managed as the engine expects. Premix remains an option for owners who prefer it, but it is not required by the ECU conversion itself.\u003c\/p\u003e\n\u003ch4\u003eCan I run this kit on a turbocharged Renesis?\u003c\/h4\u003e\n\u003cp\u003eYes. The Nexus R3 includes closed-loop boost control, flex fuel support, engine protection, and full injector staging control, making it well suited to forced-induction Renesis builds.\u003c\/p\u003e\n\u003ch4\u003eDo I need a tune after installing the Nexus R3?\u003c\/h4\u003e\n\u003cp\u003eA proper tune for your specific setup is recommended. Live remote tuning over Zoom is available through Tuned By Shawn, so your RX-8 can be dialed in without leaving your garage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":40631489495107,"sku":"TBS-00313","price":3453.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/MazdaRX8PlugnPlayECUHaltechTunedbyShawn.jpg?v=1786481938"},{"product_id":"haltech-nexus-r3-plug-n-play-adapter-harness-kit-chevrolet-c6-corvette","title":"Haltech Nexus R3 Plug 'n' Play Adapter Harness Kit - Chevrolet C6 Corvette (HT-650930)","description":"\u003cstyle\u003e\n  \/* Tuned By Shawn PDP styles. Scoped to .tbs-pdp, relative units only (rem\/em\/ch), zoom and mobile friendly. *\/\n  .tbs-pdp {\n    max-width: 78ch;\n    margin-inline: auto;\n    line-height: 1.6;\n    \/* ch does the sizing, rem bounds stop it inflating: body lands between 15.2px and 17px equivalent *\/\n    font-size: clamp(0.95rem, 1.8ch, 1.0625rem);\n    overflow-wrap: break-word;\n    text-rendering: optimizeLegibility;\n  }\n  .tbs-pdp h2,\n  .tbs-pdp h3,\n  .tbs-pdp h4 {\n    line-height: 1.25;\n    margin-block: 1.5em 0.5em;\n  }\n  .tbs-pdp h2 { font-size: clamp(1.25rem, 2.9ch, 1.65rem); }\n  .tbs-pdp h3 {\n    font-size: clamp(1.1rem, 2.5ch, 1.35rem);\n  }\n  .tbs-pdp h3::before {\n    content: \"\/\/\/ \";\n    color: #FFD100;\n    letter-spacing: -0.05em;\n  }\n  .tbs-pdp h4 { font-size: clamp(1rem, 2.2ch, 1.15rem); }\n  .tbs-pdp p, .tbs-pdp li { max-width: 72ch; }\n  .tbs-pdp ul, .tbs-pdp ol { padding-left: 3ch; }\n  .tbs-pdp li { margin-block: 0.35em; }\n  .tbs-pdp hr {\n    border: none;\n    border-top: 0.0625rem solid rgba(0, 0, 0, 0.15);\n    margin-block: 2em;\n  }\n\n  \/* Tables: fluid, wrapped in a horizontal scroll container so nothing overflows on narrow screens or high zoom *\/\n  .tbs-table-scroll {\n    overflow-x: auto;\n    -webkit-overflow-scrolling: touch;\n    margin-block: 1em;\n  }\n  .tbs-pdp table {\n    border-collapse: collapse;\n    width: 100%;\n    min-width: 36ch;\n    font-size: clamp(0.85rem, 1.7ch, 0.95rem);\n  }\n  .tbs-pdp caption {\n    caption-side: top;\n    text-align: left;\n    font-weight: 700;\n    padding-block: 0.5em;\n  }\n  .tbs-pdp th,\n  .tbs-pdp td {\n    border: 0.0625rem solid rgba(0, 0, 0, 0.2);\n    padding: 0.6em 1ch;\n    text-align: left;\n    vertical-align: top;\n  }\n  .tbs-pdp thead th {\n    background: #111;\n    color: #FFD100;\n  }\n  .tbs-pdp tbody th[scope=\"row\"] {\n    background: rgba(0, 0, 0, 0.05);\n    font-weight: 600;\n    white-space: normal;\n  }\n\n  \/* Video: responsive 16:9, no fixed dimensions *\/\n  .tbs-video {\n    position: relative;\n    width: 100%;\n    max-width: 72ch;\n    aspect-ratio: 16 \/ 9;\n    margin-block: 1.5em;\n  }\n  .tbs-video iframe {\n    position: absolute;\n    inset: 0;\n    width: 100%;\n    height: 100%;\n    border: 0;\n  }\n\n  .tbs-callout {\n    border: 0.0625rem solid #FFD100;\n    border-left: 0.5ch solid #FFD100;\n    padding: 0.75em 1.5ch;\n    margin-block: 1em;\n    max-width: 72ch;\n  }\n\n  @media (max-width: 40em) {\n    \/* Body copy stays at full reading size; table row text steps down, bounded both directions *\/\n    .tbs-pdp { font-size: clamp(0.95rem, 1.8ch, 1.0625rem); line-height: 1.65; }\n    .tbs-pdp p, .tbs-pdp li { font-size: clamp(0.95rem, 1.8ch, 1.0625rem); }\n    .tbs-pdp table { font-size: clamp(0.8rem, 1.6ch, 0.875rem); }\n    .tbs-pdp tbody th, .tbs-pdp tbody td {\n      font-size: clamp(0.75rem, 1.5ch, 0.8125rem);\n      line-height: 1.45;\n      padding: 0.45em 0.75ch;\n    }\n    .tbs-pdp thead th { font-size: clamp(0.8rem, 1.6ch, 0.875rem); }\n    .tbs-pdp caption { font-size: clamp(0.85rem, 1.7ch, 0.95rem); }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"tbs-pdp\"\u003e\n\u003ch2\u003eHaltech Nexus R3 Plug and Play ECU Kit for 2005-2013 C6 Corvette (LS2, LS3, LS7)\u003c\/h2\u003e\n\u003cp\u003eA complete bolt-in standalone engine management upgrade for the 2005-2013 Chevrolet Corvette, including Z06 and Grand Sport. This kit pairs the \u003cstrong\u003eHaltech Nexus R3 Vehicle Control Unit\u003c\/strong\u003e with a C6-specific plug and play harness and our pre-configured integration module. The factory instrument cluster, 6L80E or 6L90E automatic transmission, ABS, cruise control, and HVAC keep working exactly as they did from the factory while you gain full standalone tuning control over the engine.\u003c\/p\u003e\n\u003cp\u003eDeveloped and validated on a real C6 platform. The factory dashboard, gear indicator, and all cluster functions are preserved. Sport mode and paddle-shift behaviors, including the blocked-shift indicator and dash beep, work exactly as they should.\u003c\/p\u003e\n\u003cdiv class=\"tbs-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eEvery kit includes a 1-hour Zoom setup session\u003c\/strong\u003e with our team covering base map loading, NSP software setup, and first-start procedures. You are never left figuring it out alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHaltech Nexus R3 VCU (HT-193000)\u003c\/li\u003e\n\u003cli\u003eC6-specific plug and play engine harness\u003c\/li\u003e\n\u003cli\u003ePre-configured integration module for full chassis compatibility\u003c\/li\u003e\n\u003cli\u003eSurLok battery cable connectors (red and black)\u003c\/li\u003e\n\u003cli\u003eWi-Fi antenna (RP-SMA, 108mm)\u003c\/li\u003e\n\u003cli\u003eUSB-C programming cable and dust cap\u003c\/li\u003e\n\u003cli\u003eMounting hardware and installation guide\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1-hour Zoom session for base map loading and setup support\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy this kit exists\u003c\/h3\u003e\n\u003cp\u003eMost standalone ECU swaps on a C6 Corvette leave you with a running engine and a broken car. The cluster blanks out, the automatic transmission drops into limp mode, and fault codes stack up everywhere. The C6 relies on dozens of communication signals between modules, and they all disappear the moment the factory engine computer is removed.\u003c\/p\u003e\n\u003cp\u003eThis kit handles that for you. The integration module ships pre-loaded with everything needed to keep the factory systems happy, so you can focus on tuning the LS instead of chasing electrical gremlins.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHaltech Nexus R3 engine management features\u003c\/h3\u003e\n\u003cp\u003eThe Nexus R3 is Haltech's mid-range Vehicle Control Unit. It combines a full engine management system, a power distribution module (PDM), a single-channel wideband controller, onboard data logging, and Wi-Fi communications in one sealed IP67 enclosure.\u003c\/p\u003e\n\u003ch4\u003eTuning and engine control\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSupports 1 to 8 cylinder engines and 2 to 4 rotor engines\u003c\/li\u003e\n\u003cli\u003eFull sequential fuel and spark on the LS V8\u003c\/li\u003e\n\u003cli\u003eDrive-by-wire throttle control with redundant tracking\u003c\/li\u003e\n\u003cli\u003eVariable cam control for VVT-equipped engines (LS3 and LS7 supported)\u003c\/li\u003e\n\u003cli\u003eDual channel knock control with synchronized digital filtering\u003c\/li\u003e\n\u003cli\u003eClosed-loop idle speed control with learning\u003c\/li\u003e\n\u003cli\u003eClosed-loop O2 control via the onboard wideband (NTK and LSU4.9 supported)\u003c\/li\u003e\n\u003cli\u003eOnboard 4 bar MAP sensor\u003c\/li\u003e\n\u003cli\u003eModeled torque tables and 4D tuning tables with 3D per-cylinder compensations\u003c\/li\u003e\n\u003cli\u003eMulti-fuel support: gasoline, E85, methanol, ethanol, with flex fuel sensor input\u003c\/li\u003e\n\u003cli\u003eClosed-loop boost control by gear, road speed, time, or any user-defined channel\u003c\/li\u003e\n\u003cli\u003eLaunch control, anti-lag, rolling anti-lag, and flat shift\u003c\/li\u003e\n\u003cli\u003eHaltech Traction Control with mappable per-axle or per-wheel slip targets\u003c\/li\u003e\n\u003cli\u003eEngine protection with multi-level limits on every sensor\u003c\/li\u003e\n\u003cli\u003eNitrous control with up to 6 stages, wet or dry\u003c\/li\u003e\n\u003cli\u003eAuto-tune with short and long-term fuel and ignition learning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePower distribution (PDM)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 25A continuous push-pull PWM-capable outputs (5 kHz) for fuel pumps, fans, transbrakes, and other heavy loads\u003c\/li\u003e\n\u003cli\u003e6 x 8A high-side outputs (200 Hz PWM) for sensors, accessories, and lights\u003c\/li\u003e\n\u003cli\u003e6 x half-bridge outputs for motor control\u003c\/li\u003e\n\u003cli\u003eReplaces many traditional fuses and relays\u003c\/li\u003e\n\u003cli\u003eLive current draw logging on every output\u003c\/li\u003e\n\u003cli\u003eSoftware-configurable circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInputs and I\/O\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e11 x analog voltage inputs (0-5V)\u003c\/li\u003e\n\u003cli\u003e6 x synchronous pulsed inputs (zero crossing or adjustable threshold)\u003c\/li\u003e\n\u003cli\u003e2 x dedicated knock sensor inputs\u003c\/li\u003e\n\u003cli\u003e2 x differential engine position inputs (trigger and home, reluctor or hall)\u003c\/li\u003e\n\u003cli\u003e1 x onboard wideband lambda input\u003c\/li\u003e\n\u003cli\u003e8 x peak\/hold injector outputs\u003c\/li\u003e\n\u003cli\u003e8 x ignition outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConnectivity and logging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C laptop connection\u003c\/strong\u003e required for tuning and firmware updates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Wi-Fi\u003c\/strong\u003e for live data monitoring and gauge mirroring while driving\u003c\/li\u003e\n\u003cli\u003eOnboard data logging at sample rates up to 1 kHz\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech IC-7 and IC-7 Color displays\u003c\/li\u003e\n\u003cli\u003eTuned with NSP (Nexus Software Programmer), a free download from Haltech\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat still works after install\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory instrument cluster: tachometer, speedometer, gear indicator, all warning lights\u003c\/li\u003e\n\u003cli\u003eDriver Information Center (DIC) text displays\u003c\/li\u003e\n\u003cli\u003eHead-Up Display (HUD) on equipped cars\u003c\/li\u003e\n\u003cli\u003eClimate control and HVAC, including AC compressor request\u003c\/li\u003e\n\u003cli\u003ePower steering\u003c\/li\u003e\n\u003cli\u003eABS (anti-lock braking)\u003c\/li\u003e\n\u003cli\u003eCruise control (factory steering wheel switches read by the Nexus over CAN)\u003c\/li\u003e\n\u003cli\u003ePower windows, locks, anti-theft, and key recognition\u003c\/li\u003e\n\u003cli\u003eRadio, Bluetooth, and OnStar where present\u003c\/li\u003e\n\u003cli\u003eTurn signals, hazards, and exterior lighting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat changes\u003c\/h3\u003e\n\u003cp\u003eTraction control is now handled by the Haltech Nexus R3, which is a more capable and tunable system than the factory setup. Instead of fixed factory thresholds, you control per-wheel or per-axle slip targets, ramp rates, and intervention strategy. Traction control behavior can be mapped by gear, vehicle speed, or any logged channel.\u003c\/p\u003e\n\u003cp\u003eA basic Haltech traction control configuration is included in the base map for every kit, so the system is functional from the first start. Further refinement to match your tire size, power level, and intended use is part of your tune.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e6L80E \/ 6L90E automatic transmission support\u003c\/h3\u003e\n\u003cp\u003eThis is where most aftermarket ECU swaps on an automatic C6 fall apart. The factory transmission needs specific data from the engine computer to make smooth shift decisions. Without it, the transmission goes to limp mode and shift quality falls off a cliff.\u003c\/p\u003e\n\u003cp\u003eThis kit preserves \u003cstrong\u003efull factory transmission behavior\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive (D)\u003c\/strong\u003e: normal automatic shifting on the factory schedule\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSport (S)\u003c\/strong\u003e: aggressive automatic shifting, no paddle input required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual (paddle-engaged)\u003c\/strong\u003e: tap a paddle from Sport for full driver control over gear selection\u003c\/li\u003e\n\u003cli\u003eManual mode exits back to Sport-auto when the shifter moves back to Drive and then Sport, exactly as factory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHUD and select-shift indicators (preserved)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eM-gear digit on the HUD when paddle-engaged (M1 through M6)\u003c\/li\u003e\n\u003cli\u003eBlocked-shift indicator with dash beep when the transmission refuses a paddle request, such as an upshift while stationary or a downshift at too high a speed\u003c\/li\u003e\n\u003cli\u003eGear-shift highlight on the HUD that briefly emphasizes the new gear after each engagement, just like factory\u003c\/li\u003e\n\u003cli\u003eResponsive paddle feel: rapid taps update the HUD immediately while the transmission catches up, just like factory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eT56 and TR6060 manual transmission support\u003c\/h4\u003e\n\u003cp\u003eFor manual C6s, the integration is simpler: the Nexus R3 manages the engine, the integration module keeps the factory systems online, and the cluster shows tach, speedo, and warning lights normally. Reverse lockout and clutch switch inputs are wired through the Nexus.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat you can use in your tune\u003c\/h3\u003e\n\u003cp\u003eThe Nexus R3 has access to chassis data the engine would not normally see, which opens up tuning strategies a basic standalone setup cannot do:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue wheel-speed traction control\u003c\/strong\u003e: individual wheel speed inputs feeding the Haltech traction control system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost by gear\u003c\/strong\u003e: actual transmission gear feeds your boost target tables directly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaunch control with brake hold\u003c\/strong\u003e: brake input, wheel speed, and gear all available as triggers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear-specific timing and fuel maps\u003c\/strong\u003e from accurate transmission gear input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSport vs Manual differentiation\u003c\/strong\u003e: separate maps for automatic Sport mode and paddle-engaged Manual mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteering angle and lateral G inputs\u003c\/strong\u003e for advanced launch and traction strategies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e1-hour Zoom setup session included\u003c\/h3\u003e\n\u003cp\u003eStandalone ECUs have a learning curve. Rather than leaving you on your own, every kit includes a one-on-one Zoom call with our team to get you up and running quickly. The session typically covers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNSP software installation and connecting to your Nexus R3\u003c\/li\u003e\n\u003cli\u003eLoading the correct base map for your engine and transmission combination\u003c\/li\u003e\n\u003cli\u003eVerifying sensor inputs (TPS, MAP, temperatures, wideband)\u003c\/li\u003e\n\u003cli\u003eFirst-start procedures and idle verification\u003c\/li\u003e\n\u003cli\u003eWalkthrough of the key tables for further tuning\u003c\/li\u003e\n\u003cli\u003eQ\u0026amp;A on your specific build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSchedule your session after install, when you are ready to power up the system for the first time.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cdiv class=\"tbs-table-scroll\"\u003e\n\u003ctable\u003e\n\u003ccaption\u003eC6 Corvette Nexus R3 kit compatibility\u003c\/caption\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eItem\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSupported\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVehicle\u003c\/th\u003e\n\u003ctd\u003e2005-2013 Chevrolet Corvette (C6): Coupe, Convertible, Z06, Grand Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEngines\u003c\/th\u003e\n\u003ctd\u003eLS2, LS3, LS7 (factory), plus LS swaps and forced-induction variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransmissions\u003c\/th\u003e\n\u003ctd\u003e6L80E, 6L90E (automatic with paddles), T56, TR6060 (manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCluster\u003c\/th\u003e\n\u003ctd\u003eAll factory C6 instrument clusters with HUD or DIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSoftware\u003c\/th\u003e\n\u003ctd\u003eHaltech NSP (Nexus Software Programmer), Windows 10\/11, free download from Haltech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNot supported\u003c\/th\u003e\n\u003ctd\u003e2009-2013 ZR1 (LS9 supercharged engine has different ECU requirements)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eDesigned as a true plug and play swap. The included harness uses the original C6 engine connectors at the engine bay end. Typical install time is 4 to 6 hours for a competent installer with hand tools.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery\u003c\/li\u003e\n\u003cli\u003eRemove the factory engine computer and unplug its harness\u003c\/li\u003e\n\u003cli\u003eMount the Nexus R3 where the USB-C port stays accessible (tuning is performed via USB connection to a laptop)\u003c\/li\u003e\n\u003cli\u003eConnect the included engine harness to the Nexus R3 and the factory connectors at the engine\u003c\/li\u003e\n\u003cli\u003eMount the integration module and route its connection to the diagnostic port\u003c\/li\u003e\n\u003cli\u003eReconnect the battery\u003c\/li\u003e\n\u003cli\u003eSchedule your included 1-hour Zoom session and we will walk you through base map loading and first start\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003eBattery cables\u003c\/h3\u003e\n\u003cp\u003eThe Nexus R3 connects directly to the battery via the included SurLok connectors. Pre-made battery cables sized and terminated for a clean C6 install are available as an add-on option, recommended for the cleanest install and to save build time.\u003c\/p\u003e\n\u003cp\u003eIf you prefer to source or fabricate your own cables, here are the lengths and routing we use:\u003c\/p\u003e\n\u003cdiv class=\"tbs-table-scroll\"\u003e\n\u003ctable\u003e\n\u003ccaption\u003eBattery cable lengths for the C6 install\u003c\/caption\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eCable\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eLength\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eConnects to\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e12V power (red)\u003c\/th\u003e\n\u003ctd\u003e40\"\u003c\/td\u003e\n\u003ctd\u003eFuse box terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGround (black)\u003c\/th\u003e\n\u003ctd\u003e31\"\u003c\/td\u003e\n\u003ctd\u003eGround post in front of the dry sump \/ factory battery location\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eUse appropriately gauged cable for the run length and current capacity. Both cables terminate at the SurLok connectors on the Nexus R3.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"tbs-table-scroll\"\u003e\n\u003ctable\u003e\n\u003ccaption\u003eHaltech Nexus R3 specifications summary\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eECU model\u003c\/th\u003e\n\u003ctd\u003eHaltech Nexus R3 VCU (HT-193000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEngine support\u003c\/th\u003e\n\u003ctd\u003eUp to 8 cylinders or 4 rotors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInjector outputs\u003c\/th\u003e\n\u003ctd\u003e8 peak\/hold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIgnition outputs\u003c\/th\u003e\n\u003ctd\u003e8 low-current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePDM outputs\u003c\/th\u003e\n\u003ctd\u003e4 x 25A high-current PWM, 6 x 8A high-side, 6 x half-bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAnalog inputs\u003c\/th\u003e\n\u003ctd\u003e11 (0-5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePulsed inputs\u003c\/th\u003e\n\u003ctd\u003e6 synchronous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eKnock inputs\u003c\/th\u003e\n\u003ctd\u003e2 dedicated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWideband\u003c\/th\u003e\n\u003ctd\u003e1 onboard channel (NTK and LSU4.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMAP sensor\u003c\/th\u003e\n\u003ctd\u003eOnboard 4 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTuning interface\u003c\/th\u003e\n\u003ctd\u003eUSB-C (required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLive data \/ monitoring\u003c\/th\u003e\n\u003ctd\u003eWi-Fi or USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCAN bus\u003c\/th\u003e\n\u003ctd\u003eDual channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eData logging\u003c\/th\u003e\n\u003ctd\u003eOnboard, up to 1 kHz sample rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCase\u003c\/th\u003e\n\u003ctd\u003eIP67-rated sealed enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower input\u003c\/th\u003e\n\u003ctd\u003eDirect battery via SurLok connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSoftware\u003c\/th\u003e\n\u003ctd\u003eNSP (Nexus Software Programmer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSetup support\u003c\/th\u003e\n\u003ctd\u003e1-hour Zoom session included with every kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eWill my factory dash still work with a standalone ECU in a C6 Corvette?\u003c\/h4\u003e\n\u003cp\u003eYes. The included integration module keeps the factory cluster, DIC, HUD, warning lights, and gear indicator fully functional after the Nexus R3 install.\u003c\/p\u003e\n\u003ch4\u003eDoes this kit support the 6L80E automatic transmission?\u003c\/h4\u003e\n\u003cp\u003eYes. Drive, Sport, and paddle-engaged Manual modes all work exactly as factory, including the blocked-shift indicator, dash beep, and HUD gear display.\u003c\/p\u003e\n\u003ch4\u003eDo I need a tune after installing the Nexus R3?\u003c\/h4\u003e\n\u003cp\u003eEvery kit ships with a base map matched to your engine and transmission combination, and your included Zoom session covers loading it and getting the car started. A proper tune for your specific setup is still recommended, and remote tuning is available through Tuned By Shawn.\u003c\/p\u003e\n\u003ch4\u003eIs the ZR1 supported?\u003c\/h4\u003e\n\u003cp\u003eNo. The 2009-2013 ZR1 with the supercharged LS9 has different ECU requirements and is not supported by this kit.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"tbs-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/VQ6-ZTRxGa4?si=347MqeoI41myCOIn\" title=\"Haltech Nexus R3 plug and play kit on a C6 Corvette: overview and demonstration\" loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":42189435666499,"sku":"HT-650930","price":4450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/C6CorvettePnP.jpg?v=1781207178"},{"product_id":"haltech-nexus-r3-toyota-supra-7m-gte-1987-1988-plug-n-play-adapter-harness-kit-ht-650933","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 7M-GTE 1987-1988 Plug 'n' Play Adapter Harness Kit (HT-650933)","description":"\u003cp\u003e\u003cstrong\u003eThe 7M deserves better than a 30-year-old ECU trying to keep up with what you've built.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 7M-GTE shares the same factory ECU limitations that have frustrated 7M owners for decades: conservative timing, a knock strategy that pulls way more than it needs to, and zero flexibility for modifications. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where Toyota's knock strategy allows\u003c\/li\u003e\n\u003cli\u003eThrottle response that matches what the engine is actually capable of\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1987-1988 Toyota Supra 7M-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1987-1988 Toyota Supra 7M-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1987-1988 Toyota Supra 7M-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216111683,"sku":"HT-650933","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-supra-7m-gte-1987-1988-plug-n-play-adapter-harness-kit-ht-650934","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 7M-GTE 1987-1988 Plug 'n' Play Adapter Harness Kit (HT-650934)","description":"\u003cp\u003e\u003cstrong\u003eThe 7M deserves better than a 30-year-old ECU trying to keep up with what you've built.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 7M-GTE shares the same factory ECU limitations that have frustrated 7M owners for decades: conservative timing, a knock strategy that pulls way more than it needs to, and zero flexibility for modifications. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where Toyota's knock strategy allows\u003c\/li\u003e\n\u003cli\u003eThrottle response that matches what the engine is actually capable of\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1987-1988 Toyota Supra 7M-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1987-1988 Toyota Supra 7M-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1987-1988 Toyota Supra 7M-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216242755,"sku":"HT-650934","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-supra-7m-gte-1989-1992-plug-n-play-adapter-harness-kit-ht-650936","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 7M-GTE 1989-1992 Plug 'n' Play Adapter Harness Kit (HT-650936)","description":"\u003cp\u003e\u003cstrong\u003eYour 7M has outgrown the stock ECU, and the stock ECU has been struggling since new.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 7M-GTE shares the same factory ECU limitations that have frustrated 7M owners for decades: conservative timing, a knock strategy that pulls way more than it needs to, and zero flexibility for modifications. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where Toyota's knock strategy allows\u003c\/li\u003e\n\u003cli\u003eThrottle response that matches what the engine is actually capable of\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1989-1992 Toyota Supra 7M-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1989-1992 Toyota Supra 7M-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1989-1992 Toyota Supra 7M-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216308291,"sku":"HT-650936","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-supra-7m-gte-1989-1992-plug-n-play-adapter-harness-kit-ht-650937","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 7M-GTE 1989-1992 Plug 'n' Play Adapter Harness Kit (HT-650937)","description":"\u003cp\u003e\u003cstrong\u003eYour 7M has outgrown the stock ECU, and the stock ECU has been struggling since new.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 7M-GTE shares the same factory ECU limitations that have frustrated 7M owners for decades: conservative timing, a knock strategy that pulls way more than it needs to, and zero flexibility for modifications. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where Toyota's knock strategy allows\u003c\/li\u003e\n\u003cli\u003eThrottle response that matches what the engine is actually capable of\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1989-1992 Toyota Supra 7M-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1989-1992 Toyota Supra 7M-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1989-1992 Toyota Supra 7M-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216341059,"sku":"HT-650937","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-supra-1jz-gte-1989-1992-plug-n-play-adapter-harness-kit-ht-650939","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 1JZ-GTE 1989-1992 Plug 'n' Play Adapter Harness Kit (HT-650939)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 1JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 1JZ-GTE is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1989-1992 Toyota Supra 1JZ-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1989-1992 Toyota Supra 1JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1989-1992 Toyota Supra 1JZ-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216472131,"sku":"HT-650939","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-supra-1jz-gte-1989-1992-plug-n-play-adapter-harness-kit-ht-650940","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 1JZ-GTE 1989-1992 Plug 'n' Play Adapter Harness Kit (HT-650940)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 1JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 1JZ-GTE is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1989-1992 Toyota Supra 1JZ-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1989-1992 Toyota Supra 1JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1989-1992 Toyota Supra 1JZ-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216504899,"sku":"HT-650940","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-celica-3s-gte-toyota-mr2-3s-gte-1989-1993-plug-n-play-adapter-harness-kit-ht-650943","title":"Haltech Nexus R3 VCU \u0026 Toyota Celica 3S-GTE | Toyota MR2 3S-GTE 1989-1993 Plug 'n' Play Adapter Harness Kit (HT-650943)","description":"\u003cp\u003e\u003cstrong\u003eThe 3S-GTE is a proper rally engine, and it deserves a proper ECU to match.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica 3S-GTE ran the 3S-GTE in one of its most capable AWD configurations, but the factory ECU was never going to let it reach its ceiling. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eThrottle response tuned to your exact injectors and fuel pressure, not Toyota's conservative baseline\u003c\/li\u003e\n\u003cli\u003eBoost that builds aggressively where you want it without factory ECU intervention\u003c\/li\u003e\n\u003cli\u003eConsistent behavior at temperature, not the hunting the OEM map produces\u003c\/li\u003e\n\u003cli\u003eA car that actually responds the way the 3S-GTE was always capable of\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1989-1993 Toyota Celica 3S-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1989-1993 Toyota Celica 3S-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1989-1993 Toyota Celica 3S-GTE \/ 1989-1993 Toyota MR2 3S-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216603203,"sku":"HT-650943","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-celica-3s-gte-toyota-mr2-3s-gte-1989-1993-plug-n-play-adapter-harness-kit-ht-650944","title":"Haltech Nexus R5 VCU \u0026 Toyota Celica 3S-GTE | Toyota MR2 3S-GTE 1989-1993 Plug 'n' Play Adapter Harness Kit (HT-650944)","description":"\u003cp\u003e\u003cstrong\u003eThe 3S-GTE is a proper rally engine, and it deserves a proper ECU to match.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica 3S-GTE ran the 3S-GTE in one of its most capable AWD configurations, but the factory ECU was never going to let it reach its ceiling. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eThrottle response tuned to your exact injectors and fuel pressure, not Toyota's conservative baseline\u003c\/li\u003e\n\u003cli\u003eBoost that builds aggressively where you want it without factory ECU intervention\u003c\/li\u003e\n\u003cli\u003eConsistent behavior at temperature, not the hunting the OEM map produces\u003c\/li\u003e\n\u003cli\u003eA car that actually responds the way the 3S-GTE was always capable of\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1989-1993 Toyota Celica 3S-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1989-1993 Toyota Celica 3S-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1989-1993 Toyota Celica 3S-GTE \/ 1989-1993 Toyota MR2 3S-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216635971,"sku":"HT-650944","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-chaser-1jz-gte-toyota-soarer-1jz-gte-1991-1996-plug-n-play-adapter-harness-kit-ht-650946","title":"Haltech Nexus R3 VCU \u0026 Toyota Chaser 1JZ-GTE | Toyota Soarer 1JZ-GTE 1991-1996 Plug 'n' Play Adapter Harness Kit - A340E Automatic (HT-650946)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1996 Toyota Chaser 1JZ-GTE, automatic transmission (Aisin A340E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThese JZ chassis run the \u003cstrong\u003eA340E\u003c\/strong\u003e, the electronically controlled four-speed Aisin built for Toyota's longitudinal rear-drive cars. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1991-1996 Toyota Chaser 1JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1991-1996 Toyota Chaser 1JZ-GTE \/ 1991-1996 Toyota Soarer 1JZ-GTE, Automatic Transmission (A340E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216701507,"sku":"HT-650946","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-chaser-1jz-gte-toyota-soarer-1jz-gte-1991-1996-plug-n-play-adapter-harness-kit-ht-650947","title":"Haltech Nexus R5 VCU \u0026 Toyota Chaser 1JZ-GTE | Toyota Soarer 1JZ-GTE 1991-1996 Plug 'n' Play Adapter Harness Kit - A340E Automatic (HT-650947)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1996 Toyota Chaser 1JZ-GTE, automatic transmission (Aisin A340E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThese JZ chassis run the \u003cstrong\u003eA340E\u003c\/strong\u003e, the electronically controlled four-speed Aisin built for Toyota's longitudinal rear-drive cars. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1991-1996 Toyota Chaser 1JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1991-1996 Toyota Chaser 1JZ-GTE \/ 1991-1996 Toyota Soarer 1JZ-GTE, Automatic Transmission (A340E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216734275,"sku":"HT-650947","price":5535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-chaser-1jz-gte-toyota-soarer-1jz-gte-1991-1996-plug-n-play-adapter-harness-kit-ht-650949","title":"Haltech Nexus R3 VCU \u0026 Toyota Chaser 1JZ-GTE | Toyota Soarer 1JZ-GTE 1991-1996 Plug 'n' Play Adapter Harness Kit (HT-650949)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1996 Toyota Chaser 1JZ-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1991-1996 Toyota Chaser 1JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1991-1996 Toyota Chaser 1JZ-GTE \/ 1991-1996 Toyota Soarer 1JZ-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216799811,"sku":"HT-650949","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-chaser-1jz-gte-toyota-soarer-1jz-gte-1991-1996-plug-n-play-adapter-harness-kit-ht-650950","title":"Haltech Nexus R5 VCU \u0026 Toyota Chaser 1JZ-GTE | Toyota Soarer 1JZ-GTE 1991-1996 Plug 'n' Play Adapter Harness Kit (HT-650950)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1996 Toyota Chaser 1JZ-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1991-1996 Toyota Chaser 1JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1991-1996 Toyota Chaser 1JZ-GTE \/ 1991-1996 Toyota Soarer 1JZ-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447216832579,"sku":"HT-650950","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-4runner-3rz-fe-toyota-tacoma-2rz-fe-more-1995-1996-plug-n-play-adapter-harness-kit-ht-650953","title":"Haltech Nexus R3 VCU \u0026 Toyota 4Runner 3RZ-FE | Toyota Tacoma 2RZ-FE \u0026 more 1995-1996 Plug 'n' Play Adapter Harness Kit (HT-650953)","description":"\u003cp\u003e\u003cstrong\u003eStandalone ECU support for the 3RZ-FE is rare, and this is your clean path to it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota 4Runner 3RZ-FE is a capable platform with a loyal following, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThrottle response that's immediate and proportional to input\u003c\/li\u003e\n\u003cli\u003eFuel delivery that stays accurate across load and temperature changes\u003c\/li\u003e\n\u003cli\u003eEngine behavior calibrated to your actual modifications, not Toyota's averaged factory map\u003c\/li\u003e\n\u003cli\u003eConsistent power delivery that doesn't change with heat soak\u003c\/li\u003e\n\u003cli\u003eA foundation for builds the factory ECU simply can't support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1995-1996 Toyota 4Runner 3RZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1995-1996 Toyota 4Runner 3RZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1995-1996 Toyota 4Runner 3RZ-FE \/ 1995-1996 Toyota Tacoma 2RZ-FE \/ 1995-1996 Toyota Tacoma 3RZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447217422403,"sku":"HT-650953","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-4runner-3rz-fe-toyota-tacoma-2rz-fe-more-1995-1996-plug-n-play-adapter-harness-kit-ht-650954","title":"Haltech Nexus R5 VCU \u0026 Toyota 4Runner 3RZ-FE | Toyota Tacoma 2RZ-FE \u0026 more 1995-1996 Plug 'n' Play Adapter Harness Kit (HT-650954)","description":"\u003cp\u003e\u003cstrong\u003eStandalone ECU support for the 3RZ-FE is rare, and this is your clean path to it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota 4Runner 3RZ-FE is a capable platform with a loyal following, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThrottle response that's immediate and proportional to input\u003c\/li\u003e\n\u003cli\u003eFuel delivery that stays accurate across load and temperature changes\u003c\/li\u003e\n\u003cli\u003eEngine behavior calibrated to your actual modifications, not Toyota's averaged factory map\u003c\/li\u003e\n\u003cli\u003eConsistent power delivery that doesn't change with heat soak\u003c\/li\u003e\n\u003cli\u003eA foundation for builds the factory ECU simply can't support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1995-1996 Toyota 4Runner 3RZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1995-1996 Toyota 4Runner 3RZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1995-1996 Toyota 4Runner 3RZ-FE \/ 1995-1996 Toyota Tacoma 2RZ-FE \/ 1995-1996 Toyota Tacoma 3RZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447218077763,"sku":"HT-650954","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-land-cruiser-1fz-fe-1995-1997-plug-n-play-adapter-harness-kit-ht-650955","title":"Haltech Nexus R3 VCU \u0026 Toyota Land Cruiser 1FZ-FE 1995-1997 Plug 'n' Play Adapter Harness Kit (HT-650955)","description":"\u003cp\u003e\u003cstrong\u003eThe Land Cruiser 1FZ-FE has more in it than the factory ECU was ever going to release.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Land Cruiser 1FZ-FE is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThrottle response that's direct and immediate, not filtered through conservative factory mapping\u003c\/li\u003e\n\u003cli\u003eFuel and ignition timing calibrated precisely to your actual setup\u003c\/li\u003e\n\u003cli\u003eConsistent power delivery that doesn't change with heat or temperature\u003c\/li\u003e\n\u003cli\u003eIdle stability that's locked in regardless of ambient temperature\u003c\/li\u003e\n\u003cli\u003eA tune that actually reflects your build and your intentions for the car\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1995-1997 Toyota Land Cruiser 1FZ-FE, manual \u0026amp; automatic transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1995-1997 Toyota Land Cruiser 1FZ-FE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1995-1997 Toyota Land Cruiser 1FZ-FE, Manual \u0026amp; Automatic Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447218634819,"sku":"HT-650955","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-land-cruiser-1fz-fe-1995-1997-plug-n-play-adapter-harness-kit-ht-650957","title":"Haltech Nexus R5 VCU \u0026 Toyota Land Cruiser 1FZ-FE 1995-1997 Plug 'n' Play Adapter Harness Kit (HT-650957)","description":"\u003cp\u003e\u003cstrong\u003eThe Land Cruiser 1FZ-FE has more in it than the factory ECU was ever going to release.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Land Cruiser 1FZ-FE is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThrottle response that's direct and immediate, not filtered through conservative factory mapping\u003c\/li\u003e\n\u003cli\u003eFuel and ignition timing calibrated precisely to your actual setup\u003c\/li\u003e\n\u003cli\u003eConsistent power delivery that doesn't change with heat or temperature\u003c\/li\u003e\n\u003cli\u003eIdle stability that's locked in regardless of ambient temperature\u003c\/li\u003e\n\u003cli\u003eA tune that actually reflects your build and your intentions for the car\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1995-1997 Toyota Land Cruiser 1FZ-FE, manual \u0026amp; automatic transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1995-1997 Toyota Land Cruiser 1FZ-FE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1995-1997 Toyota Land Cruiser 1FZ-FE, Manual \u0026amp; Automatic Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447219126339,"sku":"HT-650957","price":5535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-4runner-5vz-fe-toyota-tacoma-5vz-fe-1995-1997-plug-n-play-adapter-harness-kit-ht-650959","title":"Haltech Nexus R3 VCU \u0026 Toyota 4Runner 5VZ-FE | Toyota Tacoma 5VZ-FE 1995-1997 Plug 'n' Play Adapter Harness Kit (HT-650959)","description":"\u003cp\u003e\u003cstrong\u003eThe 5VZ-FE V6 has more in it than the factory ECU ever let you find out.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota 4Runner 5VZ-FE is a capable platform with a loyal following, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThrottle response that's immediate and proportional to input\u003c\/li\u003e\n\u003cli\u003eFuel delivery that stays accurate across load and temperature changes\u003c\/li\u003e\n\u003cli\u003eEngine behavior calibrated to your actual modifications, not Toyota's averaged factory map\u003c\/li\u003e\n\u003cli\u003eConsistent power delivery that doesn't change with heat soak\u003c\/li\u003e\n\u003cli\u003eA foundation for builds the factory ECU simply can't support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1995-1997 Toyota 4Runner 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1995-1997 Toyota 4Runner 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1995-1997 Toyota 4Runner 5VZ-FE \/ 1995-1997 Toyota Tacoma 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447219781699,"sku":"HT-650959","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-4runner-5vz-fe-toyota-tacoma-5vz-fe-1995-1997-plug-n-play-adapter-harness-kit-ht-650960","title":"Haltech Nexus R5 VCU \u0026 Toyota 4Runner 5VZ-FE | Toyota Tacoma 5VZ-FE 1995-1997 Plug 'n' Play Adapter Harness Kit (HT-650960)","description":"\u003cp\u003e\u003cstrong\u003eThe 5VZ-FE V6 has more in it than the factory ECU ever let you find out.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota 4Runner 5VZ-FE is a capable platform with a loyal following, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThrottle response that's immediate and proportional to input\u003c\/li\u003e\n\u003cli\u003eFuel delivery that stays accurate across load and temperature changes\u003c\/li\u003e\n\u003cli\u003eEngine behavior calibrated to your actual modifications, not Toyota's averaged factory map\u003c\/li\u003e\n\u003cli\u003eConsistent power delivery that doesn't change with heat soak\u003c\/li\u003e\n\u003cli\u003eA foundation for builds the factory ECU simply can't support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1995-1997 Toyota 4Runner 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1995-1997 Toyota 4Runner 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1995-1997 Toyota 4Runner 5VZ-FE \/ 1995-1997 Toyota Tacoma 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447219847235,"sku":"HT-650960","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-supra-2jz-gte-toyota-aristo-2jz-gte-1991-1998-plug-n-play-adapter-harness-kit-ht-650962","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 2JZ-GTE | Toyota Aristo 2JZ-GTE 1991-1998 Plug 'n' Play Adapter Harness Kit - A341E Automatic (HT-650962)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1998 Toyota Supra 2JZ-GTE, automatic transmission (Aisin A341E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThe 2JZ-GTE cars did not get the standard A340E. Toyota fitted the \u003cstrong\u003eA341E\u003c\/strong\u003e, the heavy-duty member of the same A340 family, with a longer input shaft and a larger pump and converter to survive the turbo motor's torque. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1991-1998 Toyota Supra 2JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1991-1998 Toyota Supra 2JZ-GTE \/ 1991-1998 Toyota Aristo 2JZ-GTE, Automatic Transmission (A341E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447219912771,"sku":"HT-650962","price":3785.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-supra-2jz-gte-toyota-aristo-2jz-gte-1991-1998-plug-n-play-adapter-harness-kit-ht-650963","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 2JZ-GTE | Toyota Aristo 2JZ-GTE 1991-1998 Plug 'n' Play Adapter Harness Kit - A341E Automatic (HT-650963)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1998 Toyota Supra 2JZ-GTE, automatic transmission (Aisin A341E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThe 2JZ-GTE cars did not get the standard A340E. Toyota fitted the \u003cstrong\u003eA341E\u003c\/strong\u003e, the heavy-duty member of the same A340 family, with a longer input shaft and a larger pump and converter to survive the turbo motor's torque. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1991-1998 Toyota Supra 2JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1991-1998 Toyota Supra 2JZ-GTE \/ 1991-1998 Toyota Aristo 2JZ-GTE, Automatic Transmission (A341E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447219945539,"sku":"HT-650963","price":5820.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-supra-2jz-gte-1993-1998-plug-n-play-adapter-harness-kit-ht-650965","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 2JZ-GTE 1993-1998 Plug 'n' Play Adapter Harness Kit (HT-650965)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1993-1998 Toyota Supra 2JZ-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1993-1998 Toyota Supra 2JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1993-1998 Toyota Supra 2JZ-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220011075,"sku":"HT-650965","price":3785.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-supra-2jz-gte-1993-1998-plug-n-play-adapter-harness-kit-ht-650966","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 2JZ-GTE 1993-1998 Plug 'n' Play Adapter Harness Kit (HT-650966)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1993-1998 Toyota Supra 2JZ-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1993-1998 Toyota Supra 2JZ-GTE \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1993-1998 Toyota Supra 2JZ-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220043843,"sku":"HT-650966","price":5820.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-mr2-3s-gte-1993-1999-plug-n-play-adapter-harness-kit-ht-650969","title":"Haltech Nexus R3 VCU \u0026 Toyota MR2 3S-GTE 1993-1999 Plug 'n' Play Adapter Harness Kit (HT-650969)","description":"\u003cp\u003e\u003cstrong\u003eMid-engine, rear-drive, turbocharged, and still running a factory ECU that has no idea what you've done to it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota MR2 3S-GTE SW20 Turbo is one of the most engaging platforms of the 1990s, and the 3S-GTE responds exceptionally well to proper tuning. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds cleanly and holds consistently lap after lap\u003c\/li\u003e\n\u003cli\u003eThrottle response that matches the mid-engine character of the car\u003c\/li\u003e\n\u003cli\u003ePower delivery that's predictable exactly when you need it in corners\u003c\/li\u003e\n\u003cli\u003eA tune built around your specific modifications instead of fighting stock fuel tables\u003c\/li\u003e\n\u003cli\u003eConfidence in the engine management when the car is working hardest\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1993-1999 Toyota MR2 3S-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eWorking in the MR2's rear engine bay means every connection needs to be correct the first time. Boomslang built this harness for the specific 1999 SW20 connector layout with OEM-spec connectors and appropriate wire gauge. The factory harness stays untouched, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1993-1999 Toyota MR2 3S-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1993-1999 Toyota MR2 3S-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220207683,"sku":"HT-650969","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-mr2-3s-gte-1993-1999-plug-n-play-adapter-harness-kit-ht-650970","title":"Haltech Nexus R5 VCU \u0026 Toyota MR2 3S-GTE 1993-1999 Plug 'n' Play Adapter Harness Kit (HT-650970)","description":"\u003cp\u003e\u003cstrong\u003eMid-engine, rear-drive, turbocharged, and still running a factory ECU that has no idea what you've done to it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota MR2 3S-GTE SW20 Turbo is one of the most engaging platforms of the 1990s, and the 3S-GTE responds exceptionally well to proper tuning. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds cleanly and holds consistently lap after lap\u003c\/li\u003e\n\u003cli\u003eThrottle response that matches the mid-engine character of the car\u003c\/li\u003e\n\u003cli\u003ePower delivery that's predictable exactly when you need it in corners\u003c\/li\u003e\n\u003cli\u003eA tune built around your specific modifications instead of fighting stock fuel tables\u003c\/li\u003e\n\u003cli\u003eConfidence in the engine management when the car is working hardest\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1993-1999 Toyota MR2 3S-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eWorking in the MR2's rear engine bay means every connection needs to be correct the first time. Boomslang built this harness for the specific 1999 SW20 connector layout with OEM-spec connectors and appropriate wire gauge. The factory harness stays untouched, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1993-1999 Toyota MR2 3S-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1993-1999 Toyota MR2 3S-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220240451,"sku":"HT-650970","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-celica-3s-gte-1994-1999-plug-n-play-adapter-harness-kit-ht-650973","title":"Haltech Nexus R3 VCU \u0026 Toyota Celica 3S-GTE 1994-1999 Plug 'n' Play Adapter Harness Kit (HT-650973)","description":"\u003cp\u003e\u003cstrong\u003eThe ST205 Celica GT-Four is a legitimate rally car, and it deserves engine management built to match that pedigree.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica 3S-GTE ran a purpose-built AWD platform with the 3S-GTE in its most developed form, but factory ECU management still left power on the table. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost curves tuned to your actual turbo, not Toyota's conservative stock map\u003c\/li\u003e\n\u003cli\u003eThrottle response that's immediate and consistent at all temperatures\u003c\/li\u003e\n\u003cli\u003ePower delivery that matches what the 3S-GTE is actually capable of with your setup\u003c\/li\u003e\n\u003cli\u003eStable fueling under the high-load conditions this car was built for\u003c\/li\u003e\n\u003cli\u003eConfidence on track that your tune was built for your exact conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1994-1999 Toyota Celica 3S-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1994-1999 Toyota Celica 3S-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1994-1999 Toyota Celica 3S-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220338755,"sku":"HT-650973","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-celica-3s-gte-1994-1999-plug-n-play-adapter-harness-kit-ht-650974","title":"Haltech Nexus R5 VCU \u0026 Toyota Celica 3S-GTE 1994-1999 Plug 'n' Play Adapter Harness Kit (HT-650974)","description":"\u003cp\u003e\u003cstrong\u003eThe ST205 Celica GT-Four is a legitimate rally car, and it deserves engine management built to match that pedigree.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica 3S-GTE ran a purpose-built AWD platform with the 3S-GTE in its most developed form, but factory ECU management still left power on the table. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost curves tuned to your actual turbo, not Toyota's conservative stock map\u003c\/li\u003e\n\u003cli\u003eThrottle response that's immediate and consistent at all temperatures\u003c\/li\u003e\n\u003cli\u003ePower delivery that matches what the 3S-GTE is actually capable of with your setup\u003c\/li\u003e\n\u003cli\u003eStable fueling under the high-load conditions this car was built for\u003c\/li\u003e\n\u003cli\u003eConfidence on track that your tune was built for your exact conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1994-1999 Toyota Celica 3S-GTE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1994-1999 Toyota Celica 3S-GTE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1994-1999 Toyota Celica 3S-GTE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220371523,"sku":"HT-650974","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-tacoma-5vz-fe-toyota-4runner-5vz-fe-1998-2000-plug-n-play-adapter-harness-kit-ht-650975","title":"Haltech Nexus R3 VCU \u0026 Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE 1998-2000 Plug 'n' Play Adapter Harness Kit (HT-650975)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1998-2000 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1998-2000 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1998-2000 Toyota Tacoma 5VZ-FE \/ 1998-2000 Toyota 4Runner 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220404291,"sku":"HT-650975","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-tacoma-5vz-fe-toyota-4runner-5vz-fe-1998-2000-plug-n-play-adapter-harness-kit-ht-650976","title":"Haltech Nexus R5 VCU \u0026 Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE 1998-2000 Plug 'n' Play Adapter Harness Kit (HT-650976)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1998-2000 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1998-2000 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1998-2000 Toyota Tacoma 5VZ-FE \/ 1998-2000 Toyota 4Runner 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220437059,"sku":"HT-650976","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r5-toyota-tacoma-2rz-fe-toyota-tacoma-3rz-fe-more-1997-2000-plug-n-play-adapter-harness-kit-ht-650978","title":"Haltech Nexus R5 VCU \u0026 Toyota Tacoma 2RZ-FE | Toyota Tacoma 3RZ-FE \u0026 more 1997-2000 Plug 'n' Play Adapter Harness Kit (HT-650978)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 2RZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 2RZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1997-2000 Toyota Tacoma 2RZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1997-2000 Toyota Tacoma 2RZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1997-2000 Toyota Tacoma 2RZ-FE \/ 1997-2000 Toyota Tacoma 3RZ-FE \/ 1997-2000 Toyota 4Runner 3RZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447220502595,"sku":"HT-650978","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-tacoma-2rz-fe-toyota-tacoma-3rz-fe-more-1997-2000-plug-n-play-adapter-harness-kit-ht-650981","title":"Haltech Nexus R3 VCU \u0026 Toyota Tacoma 2RZ-FE | Toyota Tacoma 3RZ-FE \u0026 more 1997-2000 Plug 'n' Play Adapter Harness Kit (HT-650981)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 2RZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 2RZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1997-2000 Toyota Tacoma 2RZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1997-2000 Toyota Tacoma 2RZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1997-2000 Toyota Tacoma 2RZ-FE \/ 1997-2000 Toyota Tacoma 3RZ-FE \/ 1997-2000 Toyota 4Runner 3RZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447222534211,"sku":"HT-650981","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r3-toyota-tacoma-5vz-fe-toyota-4runner-5vz-fe-more-1999-2001-plug-n-play-adapter-harness-kit-ht-650982","title":"Haltech Nexus R3 VCU \u0026 Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE \u0026 more 1999-2001 Plug 'n' Play Adapter Harness Kit (HT-650982)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1999-2001 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1999-2001 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1999-2001 Toyota Tacoma 5VZ-FE \/ 1999-2001 Toyota 4Runner 5VZ-FE \/ 1999-2001 Toyota Tacoma 5VZ-FE CA, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447222927427,"sku":"HT-650982","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-tacoma-5vz-fe-toyota-4runner-5vz-fe-more-1999-2001-plug-n-play-adapter-harness-kit-ht-650983","title":"Haltech Nexus R5 VCU \u0026 Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE \u0026 more 1999-2001 Plug 'n' Play Adapter Harness Kit (HT-650983)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1999-2001 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1999-2001 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1999-2001 Toyota Tacoma 5VZ-FE \/ 1999-2001 Toyota 4Runner 5VZ-FE \/ 1999-2001 Toyota Tacoma 5VZ-FE CA, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223353411,"sku":"HT-650983","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-chaser-1jz-gte-vvt-i-toyota-soarer-1jz-gte-vvt-i-1997-2001-plug-n-play-adapter-harness-kit-ht-650986","title":"Haltech Nexus R3 VCU \u0026 Toyota Chaser 1JZ-GTE VVT-i | Toyota Soarer 1JZ-GTE VVT-i 1997-2001 Plug 'n' Play Adapter Harness Kit - A340E Automatic (HT-650986)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE VVT-i and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i, automatic transmission (Aisin A340E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThese JZ chassis run the \u003cstrong\u003eA340E\u003c\/strong\u003e, the electronically controlled four-speed Aisin built for Toyota's longitudinal rear-drive cars. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1997-2001 Toyota Chaser 1JZ-GTE VVT-i \/ 1997-2001 Toyota Soarer 1JZ-GTE VVT-i, Automatic Transmission (A340E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223582787,"sku":"HT-650986","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-chaser-1jz-gte-vvt-i-toyota-soarer-1jz-gte-vvt-i-1997-2001-plug-n-play-adapter-harness-kit-ht-650987","title":"Haltech Nexus R5 VCU \u0026 Toyota Chaser 1JZ-GTE VVT-i | Toyota Soarer 1JZ-GTE VVT-i 1997-2001 Plug 'n' Play Adapter Harness Kit - A340E Automatic (HT-650987)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE VVT-i and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i, automatic transmission (Aisin A340E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThese JZ chassis run the \u003cstrong\u003eA340E\u003c\/strong\u003e, the electronically controlled four-speed Aisin built for Toyota's longitudinal rear-drive cars. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1997-2001 Toyota Chaser 1JZ-GTE VVT-i \/ 1997-2001 Toyota Soarer 1JZ-GTE VVT-i, Automatic Transmission (A340E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223648323,"sku":"HT-650987","price":5535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-chaser-1jz-gte-vvt-i-toyota-soarer-1jz-gte-vvt-i-1997-2001-plug-n-play-adapter-harness-kit-ht-650989","title":"Haltech Nexus R3 VCU \u0026 Toyota Chaser 1JZ-GTE VVT-i | Toyota Soarer 1JZ-GTE VVT-i 1997-2001 Plug 'n' Play Adapter Harness Kit (HT-650989)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE VVT-i and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1997-2001 Toyota Chaser 1JZ-GTE VVT-i \/ 1997-2001 Toyota Soarer 1JZ-GTE VVT-i, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223746627,"sku":"HT-650989","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-chaser-1jz-gte-vvt-i-toyota-soarer-1jz-gte-vvt-i-1997-2001-plug-n-play-adapter-harness-kit-ht-650990","title":"Haltech Nexus R5 VCU \u0026 Toyota Chaser 1JZ-GTE VVT-i | Toyota Soarer 1JZ-GTE VVT-i 1997-2001 Plug 'n' Play Adapter Harness Kit (HT-650990)","description":"\u003cp\u003e\u003cstrong\u003eThe Chaser 1JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Chaser 1JZ-GTE VVT-i and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1997-2001 Toyota Chaser 1JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1997-2001 Toyota Chaser 1JZ-GTE VVT-i \/ 1997-2001 Toyota Soarer 1JZ-GTE VVT-i, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223779395,"sku":"HT-650990","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-tacoma-5vz-fe-2002-plug-n-play-adapter-harness-kit-ht-650991","title":"Haltech Nexus R3 VCU \u0026 Toyota Tacoma 5VZ-FE 2002 Plug 'n' Play Adapter Harness Kit (HT-650991)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2002 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2002 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2002 Toyota Tacoma 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223812163,"sku":"HT-650991","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-tacoma-5vz-fe-2002-plug-n-play-adapter-harness-kit-ht-650992","title":"Haltech Nexus R5 VCU \u0026 Toyota Tacoma 5VZ-FE 2002 Plug 'n' Play Adapter Harness Kit (HT-650992)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2002 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2002 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2002 Toyota Tacoma 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223844931,"sku":"HT-650992","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r5-toyota-supra-2jz-gte-vvt-i-1998-2002-plug-n-play-adapter-harness-kit-ht-650994","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 2JZ-GTE VVT-i 1998-2002 Plug 'n' Play Adapter Harness Kit - A341E Automatic (HT-650994)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE VVT-i is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1998-2002 Toyota Supra 2JZ-GTE VVT-i, automatic transmission (Aisin A341E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThe VVT-i turbo cars run the \u003cstrong\u003eA341E\u003c\/strong\u003e rather than the standard A340E — the heavy-duty version of the same A340 family, built with a larger pump and converter to handle 2JZ-GTE torque. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1998-2002 Toyota Supra 2JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1998-2002 Toyota Supra 2JZ-GTE VVT-i, Automatic Transmission (A341E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447223910467,"sku":"HT-650994","price":5535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-supra-2jz-gte-vvt-i-1998-2002-plug-n-play-adapter-harness-kit-ht-650996","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 2JZ-GTE VVT-i 1998-2002 Plug 'n' Play Adapter Harness Kit - A341E Automatic (HT-650996)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE VVT-i is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1998-2002 Toyota Supra 2JZ-GTE VVT-i, automatic transmission (Aisin A341E)\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eTransmission\u003c\/h4\u003e\n\u003cp\u003eThe VVT-i turbo cars run the \u003cstrong\u003eA341E\u003c\/strong\u003e rather than the standard A340E — the heavy-duty version of the same A340 family, built with a larger pump and converter to handle 2JZ-GTE torque. The automatic chassis uses a different engine-bay connector layout than the manual, which is why this harness carries its own part number. Check the code stamped on the transmission ID plate before ordering — if the car is a manual, you want the manual-transmission harness instead.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1998-2002 Toyota Supra 2JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1998-2002 Toyota Supra 2JZ-GTE VVT-i, Automatic Transmission (A341E).\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447224401987,"sku":"HT-650996","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-supra-2jz-gte-vvt-i-1998-2002-plug-n-play-adapter-harness-kit-ht-650997","title":"Haltech Nexus R5 VCU \u0026 Toyota Supra 2JZ-GTE VVT-i 1998-2002 Plug 'n' Play Adapter Harness Kit (HT-650997)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE VVT-i is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1998-2002 Toyota Supra 2JZ-GTE VVT-i, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1998-2002 Toyota Supra 2JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1998-2002 Toyota Supra 2JZ-GTE VVT-i, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447224434755,"sku":"HT-650997","price":5535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-supra-2jz-gte-vvt-i-1998-2002-plug-n-play-adapter-harness-kit-ht-650999","title":"Haltech Nexus R3 VCU \u0026 Toyota Supra 2JZ-GTE VVT-i 1998-2002 Plug 'n' Play Adapter Harness Kit (HT-650999)","description":"\u003cp\u003e\u003cstrong\u003eThe Supra 2JZ-GTE VVT-i responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Supra 2JZ-GTE VVT-i is a capable platform, but factory engine management puts a ceiling on what's possible. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoost that builds and holds exactly where you dial it in, not where the factory knock strategy allows\u003c\/li\u003e\n\u003cli\u003eTiming that advances where it should instead of pulling at the first sign of heat\u003c\/li\u003e\n\u003cli\u003ePower delivery that's linear and predictable through the entire boost curve\u003c\/li\u003e\n\u003cli\u003eA tune built around your exact modifications, not averaged factory parameters\u003c\/li\u003e\n\u003cli\u003eConfidence that what happened on the dyno is what happens on the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1998-2002 Toyota Supra 2JZ-GTE VVT-i, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 1998-2002 Toyota Supra 2JZ-GTE VVT-i \u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e1998-2002 Toyota Supra 2JZ-GTE VVT-i, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447224500291,"sku":"HT-650999","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r3-toyota-celica-gt-s-2000-2002-plug-n-play-adapter-harness-kit-ht-651002","title":"Haltech Nexus R3 VCU \u0026 Toyota Celica GT-S 2000-2002 Plug 'n' Play Adapter Harness Kit (HT-651002)","description":"\u003cp\u003e\u003cstrong\u003eThe 2ZZ-GE in the GT-S revs harder than almost anything Toyota ever put in a front-wheel drive car, and it deserves an ECU that can keep up.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica GT-S 2ZZ-GE is a high-revving driver-focused platform, and standalone ECU support opens what the factory management keeps locked down. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSharp throttle response tuned precisely to your setup\u003c\/li\u003e\n\u003cli\u003eFuel and ignition timing calibrated to your actual modifications, not Toyota's conservative baseline\u003c\/li\u003e\n\u003cli\u003eIdle stability that's locked in across temperature ranges\u003c\/li\u003e\n\u003cli\u003eA tune built to support whatever modifications you're running\u003c\/li\u003e\n\u003cli\u003eEngine behavior that matches the intent of the car rather than working around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2000-2002 Toyota Celica GT-S 2ZZ-GE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2000-2002 Toyota Celica GT-S 2ZZ-GE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2000-2002 Toyota Celica GT-S, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447225548867,"sku":"HT-651002","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-celica-gt-s-2000-2002-plug-n-play-adapter-harness-kit-ht-651003","title":"Haltech Nexus R5 VCU \u0026 Toyota Celica GT-S 2000-2002 Plug 'n' Play Adapter Harness Kit (HT-651003)","description":"\u003cp\u003e\u003cstrong\u003eThe 2ZZ-GE in the GT-S revs harder than almost anything Toyota ever put in a front-wheel drive car, and it deserves an ECU that can keep up.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica GT-S 2ZZ-GE is a high-revving driver-focused platform, and standalone ECU support opens what the factory management keeps locked down. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSharp throttle response tuned precisely to your setup\u003c\/li\u003e\n\u003cli\u003eFuel and ignition timing calibrated to your actual modifications, not Toyota's conservative baseline\u003c\/li\u003e\n\u003cli\u003eIdle stability that's locked in across temperature ranges\u003c\/li\u003e\n\u003cli\u003eA tune built to support whatever modifications you're running\u003c\/li\u003e\n\u003cli\u003eEngine behavior that matches the intent of the car rather than working around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2000-2002 Toyota Celica GT-S 2ZZ-GE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2000-2002 Toyota Celica GT-S 2ZZ-GE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2000-2002 Toyota Celica GT-S, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447227252803,"sku":"HT-651003","price":5535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r3-toyota-tacoma-5vz-fe-toyota-4runner-5vz-fe-2001-2004-plug-n-play-adapter-harness-kit-ht-651004","title":"Haltech Nexus R3 VCU \u0026 Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE 2001-2004 Plug 'n' Play Adapter Harness Kit (HT-651004)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2001-2004 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2001-2004 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R3 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2001-2004 Toyota Tacoma 5VZ-FE \/ 2001-2004 Toyota 4Runner 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447229382723,"sku":"HT-651004","price":3425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020"},{"product_id":"haltech-nexus-r5-toyota-tacoma-5vz-fe-toyota-4runner-5vz-fe-2001-2004-plug-n-play-adapter-harness-kit-ht-651005","title":"Haltech Nexus R5 VCU \u0026 Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE 2001-2004 Plug 'n' Play Adapter Harness Kit (HT-651005)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 5VZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 5VZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2001-2004 Toyota Tacoma 5VZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2001-2004 Toyota Tacoma 5VZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2001-2004 Toyota Tacoma 5VZ-FE \/ 2001-2004 Toyota 4Runner 5VZ-FE, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447229775939,"sku":"HT-651005","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"},{"product_id":"haltech-nexus-r5-toyota-tacoma-2rz-fe-toyota-tacoma-3rz-fe-more-2000-2004-plug-n-play-adapter-harness-kit-ht-651007","title":"Haltech Nexus R5 VCU \u0026 Toyota Tacoma 2RZ-FE | Toyota Tacoma 3RZ-FE \u0026 more 2000-2004 Plug 'n' Play Adapter Harness Kit (HT-651007)","description":"\u003cp\u003e\u003cstrong\u003eYour Tacoma's 2RZ-FE is more capable than the factory ECU is willing to admit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tacoma 2RZ-FE is a reliable, proven engine with real aftermarket potential, but standalone ECU support for this platform is genuinely rare. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFuel delivery that stays accurate and consistent regardless of elevation or temperature\u003c\/li\u003e\n\u003cli\u003eThrottle response that's crisp instead of soft and over-dampened\u003c\/li\u003e\n\u003cli\u003eEngine behavior tuned to your actual modifications, not Toyota's averaged baseline\u003c\/li\u003e\n\u003cli\u003eStable idle and steady power delivery that doesn't drift with heat\u003c\/li\u003e\n\u003cli\u003eA platform that can actually support the build you're planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2000-2004 Toyota Tacoma 2RZ-FE, manual transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2000-2004 Toyota Tacoma 2RZ-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus R5 VCU\u003c\/li\u003e\n\u003cli\u003eAir Temp Sensor - Small Thread Thread: M14 x 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2000-2004 Toyota Tacoma 2RZ-FE \/ 2000-2004 Toyota Tacoma 3RZ-FE \/ 2000-2004 Toyota 4Runner 3RZ-FE \/ 2000-2004 Toyota Tacoma 2RZ-FE CA \/ 2000-2004 Toyota Tacoma 3RZ-FE CA, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447229841475,"sku":"HT-651007","price":5395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019"}],"url":"https:\/\/www.tunedbyshawn.com\/collections\/nexus-r-series-plug-n-play-kits.oembed?page=3","provider":"Tuned by Shawn","version":"1.0","type":"link"}