Description
Designed for high-performance enthusiasts, the Kooks Headers 1131H020 system features 1-5/8 inch diameter mandrel-bent stainless steel long tube headers combined with a 2-1/2 inch OEM catted stainless steel X-pipe. Crafted from 16-gauge T304 aircraft-quality stainless steel, these components are built to withstand the rigors of street, race, and off-road applications. Each part includes laser-cut 3/8 inch thick flanges for a precise fit and durability, ensuring maximum exhaust flow and power output. This system is engineered specifically for 2005-2010 Ford Mustang GT models with 4.6L 3V engines, compatible with both manual and automatic transmissions. The 2-1/2 inch outlet connects seamlessly to OEM exhaust components, making installation straightforward with all necessary hardware included. Please note that these performance cats are not suitable for forced induction applications, but they are designed to deliver substantial gains in horsepower and torque. As an American-made product, Kooks Headers stands behind its craftsmanship with a limited lifetime warranty, and all components are dyno and race tested for optimal performance. The system complies with EPA standards, making it a reliable upgrade for enthusiasts seeking to enhance their vehicle’s sound and power while maintaining legal compliance. Manufactured in the USA, this kit is a perfect choice for Mustang owners looking to maximize their vehicle’s performance with quality stainless steel headers and X-pipe that stand the test of time.
Features:
- Constructed from 16-gauge T304 stainless steel for durability and corrosion resistance
- Mandrel bent 1-5/8 inch primaries for optimal exhaust flow and power gains
- Includes 2-1/2 inch OEM catted stainless steel X-pipe for seamless exhaust integration
- Laser-cut 3/8 inch thick flanges for precise fit and durability
- Designed specifically for 2005-2010 Ford Mustang GT models with 4.6L 3V engines
- Backed by a limited lifetime warranty and tested for maximum performance
- Manufactured in the USA to strict quality standards
- EPA compliant and not suitable for forced induction applications
Fitment:
Ford Mustang Bullitt 2008
Ford Mustang Bullitt 2009
Ford Mustang GT 2005
Ford Mustang GT 2006
Ford Mustang GT 2007
Ford Mustang GT 2008
Ford Mustang GT 2009
Ford Mustang GT 2010
Ford Mustang Shelby GT 2007
Ford Mustang Shelby GT 2008



























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