{"product_id":"kooks-2015-dodge-challenger-charger-hellcat-2in-x-3in-ss-headers-w-green-catted-oem-connection-pipe","title":"Kooks 2015+ Dodge Challenger\/Charger Hellcat 2in x 3in SS Headers w\/Green Catted OEM Connection Pipe","description":"\u003ch4\u003e\u003cstrong\u003eKooks 2\" x 3\" Long Tube Headers \u0026amp; H.O. GREEN Catted Connection Kit for 2015+ Dodge Charger\/Challenger Hellcat 6.2L HEMI RWD\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Kooks 3103H640 2-inch x 3-inch long tube headers and H.O. GREEN catted connection kit unleashes the supercharged fury of 2015+ Dodge Charger and Challenger Hellcat models with the 6.2L HEMI V8, replacing factory manifolds to deliver dyno-proven gains of 60 and 80 rear-wheel horsepower and 70 and 90 lb-ft of torque through equal-length primaries, merged collectors, and high-flow 3-inch x 2-3\/4-inch OEM outlet H.O. GREEN catted pipes that bolt directly to the factory exhaust for unrestricted flow under extreme boost pressures exceeding 15 PSI.\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 H.O. GREEN catalytic converters, this system supports over 1,000 HP while remaining 49-state emissions compliant and preserving the Hellcat's signature supercharged howl without drone during highway cruising or drag launches. The precision design maintains ground clearance and heat management for street-driven muscle cars without sacrificing the aggressive V8 soundtrack that dominates the quarter-mile.\u003c\/p\u003e\n\u003cp\u003eFor Hellcat owners who demand track-dominating performance with street-legal reliability, the 3103H640 kit is the championship-proven, complete bolt-on solution trusted by drag racers and enthusiasts worldwide.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2-inch equal-length mandrel-bent primaries for maximum scavenging\u003c\/li\u003e\n\u003cli\u003e3-inch x 2-3\/4-inch OEM H.O. 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 factory exhaust no cutting required\u003c\/li\u003e\n\u003cli\u003eDyno gains of 60 and 80 RWHP and 70 and 90 RWTQ on stock Hellcat\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 2015+ Dodge Charger and Challenger SRT Hellcat 6.2L HEMI RWD\u003c\/li\u003e\n\u003cli\u003eIncludes O2 extensions, EPS block-off plug, 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 pipes to collectors and OEM exhaust\u003c\/li\u003e\n\u003cli\u003eTorque flanges to 25-30 ft-lbs and run drive cycle for ECU adaptation\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\u003e2015 and 2023\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eCharger\u003c\/td\u003e\n\u003ctd\u003eSRT Hellcat 6.2L Supercharged HEMI V8 RWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015 and 2023\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eChallenger\u003c\/td\u003e\n\u003ctd\u003eSRT Hellcat 6.2L Supercharged HEMI V8 RWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Fits all RWD Hellcat Charger\/Challenger with factory exhaust. Excludes AWD models.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat's Included in the Purchase\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(2) 2\" x 3\" Long-Tube T304 Stainless Headers with Merged Collectors\u003c\/li\u003e\n\u003cli\u003e(2) 3\" x 2-3\/4\" OEM H.O. GREEN Catted Connection Pipes\u003c\/li\u003e\n\u003cli\u003eGaskets, Stage 8 Locking Bolts, Clamps and Hardware\u003c\/li\u003e\n\u003cli\u003eO2 Sensor Extensions and EPS Block-Off Plug\u003c\/li\u003e\n\u003cli\u003eDetailed Installation Instructions\u003c\/li\u003e\n\u003cli\u003ePart Number: Kooks 3103H640\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 fit AWD Hellcats?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, designed for RWD only; AWD requires custom clearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Will it trigger a check engine light?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, H.O. GREEN cats and extensions maintain proper O2 function\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How much louder is it?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Intense supercharged howl at WOT, refined without drone at cruise\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":42007440523343,"sku":"KSH3103H640","price":3911.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kooks-3103h640-headers_01.jpg?v=1764101755","url":"https:\/\/www.blackopsautoworks.com\/products\/kooks-2015-dodge-challenger-charger-hellcat-2in-x-3in-ss-headers-w-green-catted-oem-connection-pipe","provider":"Black Ops Auto Works","version":"1.0","type":"link"}