{"product_id":"kooks-1-7-8-header-and-catted-conn-kit-2009-2013-corvette-ls3-6-2l","title":"Kooks 1-7\/8\" Header and Catted Conn. Kit 2009-2013 Corvette LS3 6.2L","description":"\u003ch4\u003e\u003cstrong\u003eMaximum Flow, Full Emissions Compliance: Long Tube Power Without the Compromise\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Kooks 2160H422 1-7\/8-inch long tube headers and GREEN catted X-pipe kit provides the complete bolt-on exhaust upgrade for 2009 and 2013 Corvette C6 base, Grand Sport, and 427 Convertible models with the LS3 6.2L V8, replacing factory manifolds to deliver dyno-proven gains of 50 and 65 rear-wheel horsepower and 45 and 60 lb-ft of torque through equal-length primaries, merged collectors, and a high-flow 3-inch x 3-inch x 2-1\/2-inch OEM GREEN catted X-pipe that connects directly to the factory exhaust for seamless integration and unrestricted flow from idle to redline.\u003c\/p\u003e\n\u003cp\u003eHandcrafted from T304 aircraft-quality stainless steel with 3\/8-inch laser-cut flanges, full TIG welds, and 400-cell metallic substrate GREEN catalytic converters, this system supports over 800 HP while remaining 49-state emissions compliant and preserving the factory dual-mode exhaust function on NPP-equipped cars. The precision design maintains factory ground clearance and heat shielding for daily-driven C6s without sacrificing the deep, aggressive V8 soundtrack that defines the LS3 era.\u003c\/p\u003e\n\u003cp\u003eFor 2009 and 2013 C6 LS3 owners who demand track-proven performance with street-legal reliability, the 2160H422 kit is the championship-proven, complete bolt-on solution trusted by Corvette enthusiasts worldwide.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1-7\/8-inch equal-length mandrel-bent primaries for maximum scavenging\u003c\/li\u003e\n\u003cli\u003e3-inch x 3-inch x 2-1\/2-inch OEM GREEN high-flow metallic catalytic converters\u003c\/li\u003e\n\u003cli\u003eFull T304 stainless steel with TIG welds and 3\/8-inch flanges\u003c\/li\u003e\n\u003cli\u003eMerged collectors for optimal exhaust velocity\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on to OEM exhaust no cutting required\u003c\/li\u003e\n\u003cli\u003eDyno gains of 50 and 65 RWHP and 45 and 60 RWTQ on stock LS3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e49-state EPA compliant not for sale or use in California or CARB states without exemption\u003c\/li\u003e\n\u003cli\u003eFits 2009 and 2013 C6 base, Grand Sport, and 427 Convertible with LS3 6.2L\u003c\/li\u003e\n\u003cli\u003eIncludes O2 extensions and all necessary hardware\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 on stainless construction and 25,000 miles on catalytic converters to original purchaser.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation required lift and exhaust experience needed\u003c\/li\u003e\n\u003cli\u003eRemove factory manifolds and bolt headers to cylinder heads\u003c\/li\u003e\n\u003cli\u003eConnect catted X-pipe to collectors and OEM mid-pipe\u003c\/li\u003e\n\u003cli\u003eTorque flanges to 25-30 ft-lbs and run drive cycle for ECU\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\u003eSubmodel\/Engine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009 and 2013\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eBase. LS3 6.2L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010 and 2013\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eGrand Sport. LS3 6.2L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003e427 Convertible. LS3 6.2L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Fits all C6 coupe and convertible with factory NPP exhaust. Manual or automatic.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat's Included in the Purchase\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(2) 1-7\/8\" x 3\" Long-Tube T304 Stainless Headers with Merged Collectors\u003c\/li\u003e\n\u003cli\u003e(1) 3\" x 3\" x 2-1\/2\" OEM GREEN Catted Stainless X-Pipe\u003c\/li\u003e\n\u003cli\u003eGaskets, Stage 8 Locking Bolts, Clamps and Hardware\u003c\/li\u003e\n\u003cli\u003eO2 Sensor Extensions\u003c\/li\u003e\n\u003cli\u003eDetailed Installation Instructions\u003c\/li\u003e\n\u003cli\u003ePart Number: Kooks 2160H422\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\u003eHandcrafted in the USA from T304 aircraft-quality stainless steel\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty and dyno-proven performance\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 keep NPP valves working?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, full dual-mode NPP function is retained\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Will it fit my 2013 Grand Sport?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct bolt-on for all 2009 and 2013 C6 LS3 models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How loud is it?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Aggressive V8 roar in track mode, refined and quiet in tour mode\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 Heavy-duty box with foam protection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":41919887835215,"sku":"KSH2160H422","price":3174.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kooks-2160h422-headers_01.jpg?v=1764104284","url":"https:\/\/www.blackopsautoworks.com\/products\/kooks-1-7-8-header-and-catted-conn-kit-2009-2013-corvette-ls3-6-2l","provider":"Black Ops Auto Works","version":"1.0","type":"link"}