{"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 ECU sold separately\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":3291.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R3.webp?v=1782228020","url":"https:\/\/www.tunedbyshawn.com\/products\/haltech-nexus-r3-toyota-celica-3s-gte-1994-1999-plug-n-play-adapter-harness-kit-ht-650973","provider":"Tuned by Shawn","version":"1.0","type":"link"}