{"product_id":"kooks-headers-ksh1131h020-long-tube-headers-and-catted-x-pipe-for-2005-2010-ford-mustang-gt-4-6l-3v","title":"Kooks Headers KSH1131H020 Long Tube Headers and Catted X-Pipe for 2005-2010 Ford Mustang GT 4.6L 3V","description":"Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years!  Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications.  We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations.  Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated.  And don't forget, \"Get Kookin with KOOKS!\"\n1-5\/8in. x 2-1\/2in. Stainless Steel Long Tube Headers and 2-1\/2in. x 2-1\/2in. OEM Catted Stainless Steel X-Pipe. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS\n2005-2010 Ford Mustang GT 4.6L 3V Manual or Automatic Transmission. 1-5\/8in. x 2-1\/2in. Stainless Steel Long Tube Headers and 2-1\/2in. x 2-1\/2in. OEM Catted Stainless Steel X-Pipe. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS\n2005-2010 Ford Mustang GT 4.6L 3V Manual or Automatic Transmission. 1-5\/8\" x 2-1\/2\" Stainless Steel Long Tube Headers and 2-1\/2\" x 2-1\/2\" OEM Catted Stainless Steel X-Pipe.  16GA 304 Stainless Steel Construction 3\/8\" Thick Laser Cut Flanges1-5\/8\" Mandrel Bent PrimariesStock Bolt PatternKooks Performance Cats 400 Cell High Flow Catalytic Converters Performance Cats not for use on Forced Induction ApplicationsIncludes All Necessary Hardware for Installation2-1\/2\" Outlet connects to OEM exhaust \n\u003cul\u003e\n  \u003cli\u003eManufactured In The USA.  Kooks Uses T304 Aircraft Quality Stainless Steel.  Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser.  Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.\u003c\/li\u003e\n  \u003cli\u003eKooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser\u003c\/li\u003e\n  \u003cli\u003eKooks Products Are Dyno And Race Tested And Designed For Maximum Power\u003c\/li\u003e\n  \u003cli\u003eKooks Uses T304 Aircraft Quality Stainless Steel\u003c\/li\u003e\n  \u003cli\u003eManufactured In The USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade the exhaust performance of your 2005-2010 Ford Mustang GT with the Kooks Headers KSH1131H020 long tube header and catted X-pipe system. Designed for 4.6L 3V engines with either manual or automatic transmissions, this system improves exhaust flow while maintaining compatibility with the factory-style exhaust connection. It includes stainless steel long tube headers and an OEM-style catted stainless steel X-pipe engineered for street, performance, and track applications.\u003c\/p\u003e\n\u003cp\u003eKooks builds the KSH1131H020 system in the USA from T304 aircraft-quality stainless steel. The headers feature mandrel-bent primaries, stock bolt-pattern flanges, and laser-cut mounting surfaces for a precise fit. The included Kooks Performance Cats use 400-cell high-flow catalytic converters to support improved exhaust flow while retaining catalytic converter functionality. Standard race catalytic converters are not intended for forced-induction applications. The system's outlet connects to the OEM exhaust, and all necessary installation hardware is included.\u003c\/p\u003e\n\u003cp\u003eFounded in 1962, Kooks Headers has developed a reputation for dyno-tested and race-proven exhaust components. The KSH1131H020 is backed by a limited lifetime warranty to the original purchaser. This application is EPA compliant but is not CARB approved, so verify local emissions requirements before installation. Confirm vehicle fitment and emissions regulations before ordering.\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications and Technical Data\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApplication: 2005-2010 Ford Mustang GT\u003c\/li\u003e\n  \u003cli\u003eEngine: 4.6L 3V V8\u003c\/li\u003e\n  \u003cli\u003eTransmission Compatibility: Manual or automatic\u003c\/li\u003e\n  \u003cli\u003eHeader Material: T304 stainless steel\u003c\/li\u003e\n  \u003cli\u003eHeader Design: Long tube with mandrel-bent primaries\u003c\/li\u003e\n  \u003cli\u003ePrimary Tube Diameter: 1-5\/8 inches\u003c\/li\u003e\n  \u003cli\u003eCollector and X-Pipe Diameter: 2-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003eCatalytic Converters: 400-cell high-flow Kooks Performance Cats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel long tube headers\u003c\/li\u003e\n  \u003cli\u003eOEM-style catted stainless steel X-pipe\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-Flow Exhaust Design: Long tube headers and a catted X-pipe are engineered to improve exhaust flow and support increased engine performance.\u003c\/li\u003e\n\u003cli\u003eT304 Stainless Steel Construction: Aircraft-quality stainless steel provides durability and corrosion resistance for street and performance use.\u003c\/li\u003e\n\u003cli\u003ePrecision-Fit Components: Stock bolt-pattern flanges, mandrel-bent primaries, and laser-cut mounting surfaces support accurate installation.\u003c\/li\u003e\n\u003cli\u003eOEM Exhaust Compatibility: The 2-1\/2-inch X-pipe outlet connects to the factory-style exhaust system, while 400-cell high-flow catalytic converters help retain emissions-system functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2005 Ford Mustang GT\u003cbr\u003e\n2006 Ford Mustang GT\u003cbr\u003e\n2007 Ford Mustang GT\u003cbr\u003e\n2007 Ford Mustang Shelby GT\u003cbr\u003e\n2008 Ford Mustang Bullitt\u003cbr\u003e\n2008 Ford Mustang GT\u003cbr\u003e\n2008 Ford Mustang Shelby GT\u003cbr\u003e\n2009 Ford Mustang Bullitt\u003cbr\u003e\n2009 Ford Mustang GT\u003cbr\u003e\n2010 Ford Mustang GT\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: Compliant\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNumber Of Boxes: 2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":67695291465980,"sku":"1131H020","price":2470.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/3c34342d800ada4d58a4a26a7cf24f39.jpg?v=1791921158","url":"https:\/\/diycustoms.store\/products\/kooks-headers-ksh1131h020-long-tube-headers-and-catted-x-pipe-for-2005-2010-ford-mustang-gt-4-6l-3v","provider":"diycustoms.store","version":"1.0","type":"link"}