Kooks 1-7/8" Long Tube Headers & GREEN H-Pipe (1142H460) - 2011–2014 Shelby GT500
Designed for serious Shelby GT500 builds, the Kooks 1-7/8-inch Stainless Steel Long Tube Headers with GREEN Catted H-Pipe deliver substantial gains in horsepower, torque, and exhaust efficiency. This system is engineered to support both the 5.4L and 5.8L supercharged platforms while maintaining excellent drivability and a deep, aggressive exhaust tone.
The kit includes premium 1-7/8-inch mandrel-bent stainless steel long tube headers paired with a high-flow GREEN catted H-pipe that connects at the OEM outlet size. Built from high-quality materials with precision fitment, this setup improves exhaust scavenging while retaining catalytic converters for a street-focused performance solution.
Features
- 1-7/8-inch mandrel-bent long tube headers
- Premium stainless steel construction
- 3-inch header collectors for improved exhaust flow
- GREEN high-flow catted H-pipe included
- 3-inch to 2.75-inch OEM-style outlet connection
- Optimized for supercharged GT500 applications
- Improves horsepower, torque, and throttle response
- Designed for performance street and track builds
Fitment
- 2011 Ford Mustang Shelby GT500 5.4L
- 2012 Ford Mustang Shelby GT500 5.4L
- 2013 Ford Mustang Shelby GT500 5.8L
- 2014 Ford Mustang Shelby GT500 5.8L
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