{"product_id":"kooks-2014-2019-chevrolet-corvette-c7-o2-sensor-extension-harness","title":"Kooks 2014-2019 Chevrolet Corvette C7 O2 Sensor Extension Harness","description":"\u003ch4\u003e\u003cstrong\u003ePerformance Engineered in the USA: Proven Gains for Street and Track Builds\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Kooks EX685-Z O2 sensor extension harness solves the common wiring reach issue when installing long-tube headers on 2014 and 2019 Corvette C7 models (Stingray, Grand Sport, Z06), providing a plug-and-play solution that repositions both front and rear oxygen sensors for accurate air-fuel monitoring and ECU calibration without triggering check engine lights or lean\/rich codes.\u003c\/p\u003e\n\u003cp\u003eBuilt from high-temperature shielded wiring with OEM-style weatherproof connectors rated over 1,200°F, this harness maintains perfect signal integrity under extreme exhaust heat and vibration from high-RPM or track use. The kit includes both driver and passenger side extensions with correct length for Kooks header installations and no cutting or excess slack that could cause chafing.\u003c\/p\u003e\n\u003cp\u003eFor C7 Corvette owners upgrading to aftermarket headers, the EX685-Z harness is the essential wiring solution for seamless installation and flawless engine management.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDriver \u0026amp; passenger side front\/rear O2 extensions\u003c\/li\u003e\n\u003cli\u003eOEM-style weatherproof connectors\u003c\/li\u003e\n\u003cli\u003eHigh-temp shielded wiring rated over 1,200°F\u003c\/li\u003e\n\u003cli\u003ePlug-and-play and no cutting or splicing\u003c\/li\u003e\n\u003cli\u003ePrevents CEL from O2 sensor relocation\u003c\/li\u003e\n\u003cli\u003eDirect fit for Kooks C7 header kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFits all 2014 and 2019 Corvette C7 models\u003c\/li\u003e\n\u003cli\u003eCompatible with LT1 and LT4 engines\u003c\/li\u003e\n\u003cli\u003eRequired when installing Kooks long-tube headers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65:\u003c\/strong\u003e Contains chemicals known to the State of California to cause cancer or reproductive harm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited lifetime against manufacturing defects to original purchaser.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUnplug factory O2 sensors\u003c\/li\u003e\n\u003cli\u003eRoute extensions along factory harness path\u003c\/li\u003e\n\u003cli\u003ePlug into original harness and relocated sensors\u003c\/li\u003e\n\u003cli\u003eSecure with zip ties and avoid exhaust contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014 and 2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette C7\u003c\/td\u003e\n\u003ctd\u003eLT1 6.2L \/ LT4 6.2L Supercharged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Universal fit for C7 with Kooks long-tube headers. All trims.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat's Included in the Purchase\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(2) Front O2 Sensor Extension Harnesses\u003c\/li\u003e\n\u003cli\u003e(2) Rear O2 Sensor Extension Harnesses\u003c\/li\u003e\n\u003cli\u003ePart Number: Kooks EX685-Z\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose Kooks?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 60 years of championship-winning exhaust engineering\u003c\/li\u003e\n\u003cli\u003ePrecision wiring components tested in 1,000+ HP builds\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty and expert support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this include front and rear?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes and 4 total extensions (both banks)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Will it work with non-Kooks headers?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, fits any C7 header requiring O2 relocation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Prevents CEL?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, maintains factory sensor positioning logic\u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eDo Kooks headers require a tune after installation?\u003c\/strong\u003e\u003cbr\u003e\n    Yes. A professional tune is strongly recommended after installing long tube headers. The significant improvement in exhaust flow changes air fuel ratios and requires ECM recalibration to achieve optimal power output and safe operation.\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eWill these headers void my factory powertrain warranty?\u003c\/strong\u003e\u003cbr\u003e\n    Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle warranty simply because you installed an aftermarket part unless they prove the component directly caused the failure. Consult your dealer for specifics on your situation.\n  \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do these Kooks headers require a tune after installation? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. A professional tune is strongly recommended after installing long tube headers. The significant improvement in exhaust flow changes air fuel ratios and requires ECM recalibration to achieve optimal power output and safe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will Kooks headers void my factory powertrain warranty? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle warranty simply because you installed an aftermarket part unless they prove the component directly caused the failure in question. Consult your dealer for specifics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty does Kooks provide? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Kooks products are backed by a limited lifetime warranty to the original purchaser against defects in materials and workmanship. Racing and competition use applications may have specific warranty exclusions. Contact Kooks Performance directly for warranty details.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS or Fed Ex Ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Typically ships same day or next if in stock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Anti-static bag in protective box.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":41021805068367,"sku":"KSHEX685-Z","price":77.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/kooks-ex685z-harness_01.jpg?v=1764343319","url":"https:\/\/www.blackopsautoworks.com\/products\/kooks-2014-2019-chevrolet-corvette-c7-o2-sensor-extension-harness","provider":"Black Ops Auto Works","version":"1.0","type":"link"}