Kooks Stainless Steel 3" Off-Road H-Pipe for 2011, 2012, 2013 and 2014 GT500 Mustangs with Kooks Long Tube Headers.Compliment your Kooks Long Tube Headers with a Kooks 3" Off-Road H-Pipe. Kooks' h-pipe will fit any 2011-2014 Mustang GT500 with a 5.4L engine. The 3" inlet only connects directly to Kooks long tube headers (HDK10 and HDK11) and the 2-3/4" outlet will connect to your factory, or factory style, cat-back.
Kooks h-pipes are made from mandrel bent aircraft quality T304 stainless steel. Kooks only uses the highest quality stainless steel unlike their competitors. Smooth bends create superb exhaust flow which greatly impact horsepower. This off-road h-pipe doesn't have catalytic converters so exhaust flow is totally uninterrupted. Although off-road h-pipes provide the best exhaust flow, they are not street legal. Kooks systems are bolt-in and never require any cutting or welding. All necessary hardware is included.
Each Kooks exhaust system is designed specifically for the engine and vehicle it is built for. Kooks utilizes the firing order of the engine when designing their exhaust tubes. The most technically advanced equipment is used when designing Kooks exhaust systems. Every system is dyno and race tested to ensure the results are up to Kooks' expectations. This means Kooks can guarantee their exhaust makes the most horsepower and torque in the industry. All Kooks products are manufactured in a 45,000 square foot state of the art facility located in Statesville, North Carolina.
Kook's Headers has been in business since 1962. With over 50 years of header and exhaust knowledge, you're guaranteed the best quality products. Kooks is involved with all types of automobile racing and makes parts for the ARCA, Lucas Oil Series, IMCA, URA and many other oval style racing series. Kooks is also an official contingency partner with NASCAR. Drag racing was the back bone of Kooks but they also supply cars in the SCCA and NASA. Kooks is a top supporter of the NHRA, ADRL, NMCA, NMRA, Fun Ford Weekend, PTRA and many more.
*Off-road use only.
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This off-road H pipe is made of T304 stainless steel with mandrel bends. It's a 3 inch pipe and comes down to 2 and 3 quarters, so will work with both a factory or after-market cat-back system. Includes the entire H pipe along with clamps for installation.
This 3 inch off-road H pipe is the perfect choice when using Kooks long tube headers on your 2011 through 2014 GT 500.