{"product_id":"kooks-headers-1131h020-long-tube-headers-and-oem-catted-x-pipe-for-2005-2010-ford-mustang-gt","title":"Kooks 1131H020 Long Tube Headers and OEM Catted X Pipe for 2005-2010 Ford Mustang GT","description":"\u003cp\u003eKooks 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!\"\n\u003cbr\u003e1-5\/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\n\u003cbr\u003e2005-2010 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\n\u003cbr\u003e2005-2010 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\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \u003cli\u003eKooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eKooks Products Are Dyno And Race Tested And Designed For Maximum Power\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eKooks Uses T304 Aircraft Quality Stainless Steel\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eManufactured In The USA\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cp\u003eEnhance your 2005-2010 Ford Mustang GT with the Kooks Headers 1131H020 long tube headers and OEM catted stainless steel X pipe, designed for optimal performance and durability. Crafted from 16-gauge T304 aircraft-quality stainless steel, these headers feature 1-5\/8 inch diameter mandrel-bent primaries that maximize exhaust flow and horsepower. The laser-cut 3\/8 inch thick flanges ensure a secure, leak-free seal while the stock bolt pattern allows for straightforward installation. The 2-1\/2 inch outlet seamlessly connects to your OEM exhaust system, providing a significant upgrade in exhaust efficiency. The included high-flow 400-cell catalytic converters are engineered for maximum power output and are suitable for naturally aspirated applications, though not recommended for forced induction setups. This kit is built with quality and longevity in mind, combining handcrafted craftsmanship with decades of racing experience to deliver consistent performance gains. All necessary hardware is included for an easy installation, and the product is backed by a limited lifetime warranty, ensuring long-term reliability. As a proud American manufacturer, Kooks Headers maintains its reputation by producing all components in the USA, tested on the dyno and race track for maximum performance. Please note that these performance cats are not CARB-approved and require acknowledgment of this specification. Whether you're upgrading for street, race, or off-road use, this system offers a significant horsepower increase and aggressive exhaust tone, making your Mustang stand out on the road or track.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eConstructed from 16-gauge T304 stainless steel for durability and corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMandrel-bent 1-5\/8 inch primaries optimize exhaust flow and power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLaser-cut 3\/8 inch thick flanges ensure a tight, leak-free seal\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes high-flow 400-cell catalytic converters for maximum performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e2-1\/2 inch outlet connects seamlessly to OEM exhaust system\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFits: 2005-2010 Ford Mustang GT with 4.6L 3V engine, manual or automatic transmission\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured in the USA with handcrafted precision\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by a limited lifetime warranty for peace of mind\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eFitment:\n\u003cbr\u003eFord Mustang Bullitt 2008\n\u003cbr\u003eFord Mustang Bullitt 2009\n\u003cbr\u003eFord Mustang GT 2005\n\u003cbr\u003eFord Mustang GT 2006\n\u003cbr\u003eFord Mustang GT 2007\n\u003cbr\u003eFord Mustang GT 2008\n\u003cbr\u003eFord Mustang GT 2009\n\u003cbr\u003eFord Mustang GT 2010\n\u003cbr\u003eFord Mustang Shelby GT 2007\n\u003cbr\u003eFord Mustang Shelby GT 2008\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46395821621447,"sku":"1131H020","price":2346.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/3358\/files\/5f15c5f0160ea22520204d59a5a03452.jpg?v=1775762729","url":"https:\/\/www.amsracing.net\/products\/kooks-headers-1131h020-long-tube-headers-and-oem-catted-x-pipe-for-2005-2010-ford-mustang-gt","provider":"AMS RACING","version":"1.0","type":"link"}