{"product_id":"haltech-nexus-s2-subaru-sti-2005-2006-plug-n-play-adapter-harness-kit-ht-651090","title":"Haltech Nexus S2 ECU \u0026 Subaru STI 2005-2006 Plug 'n' Play Adapter Harness Kit (HT-651090)","description":"\u003cp\u003e\u003cstrong\u003eThe STI responds to boost and tuning the factory ECU was never built to deliver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Subaru STI 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 2005-2006 Subaru STI, 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 2005-2006 Subaru STI \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\u003e2005-2006 Subaru STI, Manual Transmission.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447243178051,"sku":"HT-651090","price":2587.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/nexus_S2.webp?v=1782228020","url":"https:\/\/www.tunedbyshawn.com\/products\/haltech-nexus-s2-subaru-sti-2005-2006-plug-n-play-adapter-harness-kit-ht-651090","provider":"Tuned by Shawn","version":"1.0","type":"link"}