{"product_id":"toyota-celica-gt-2000-2005-haltech-nexus-wiring-harness-bf29056","title":"Toyota Celica GT 2000-2005 Haltech Nexus Wiring Harness (BF29056)","description":"\u003cp\u003e\u003cstrong\u003eThe Celica GT 1ZZ-FE is a solid naturally aspirated platform that benefits from precise calibration more than most people give it credit for.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Celica GT 1ZZ-FE is a high-revving driver-focused platform, and standalone ECU support opens what the factory management keeps locked down. The \u003cstrong\u003eBoomslang PNP Wiring Harness 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 consistent from idle through the rev range\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 2000-2005 Toyota Celica GT 1ZZ-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 byBoomslang 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\u003e1xBoomslang PNP wiring harness for 2000-2005 Toyota Celica GT 1ZZ-FE\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\u003e2000-2005 Toyota Celica GT, Manual Transmission.\u003c\/p\u003e","brand":"Boomslang","offers":[{"title":"S3","offer_id":43437466222659,"sku":"BF29056-S3","price":960.0,"currency_code":"USD","in_stock":true},{"title":"S2","offer_id":43437466255427,"sku":"BF29056-S2","price":960.0,"currency_code":"USD","in_stock":true},{"title":"R3","offer_id":43437466288195,"sku":"BF29056-R3","price":960.0,"currency_code":"USD","in_stock":true},{"title":"R5","offer_id":43437466320963,"sku":"BF29056-R5","price":1120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Boomslang-nexus-wiring-harness-2.png?v=1780677538","url":"https:\/\/www.tunedbyshawn.com\/products\/toyota-celica-gt-2000-2005-haltech-nexus-wiring-harness-bf29056","provider":"Tuned by Shawn","version":"1.0","type":"link"}