Kooks Headers 11313300 2.5" GREEN Catted X-Pipe for 2005-2010 Mustang GT 4.6L 3V

The Kooks Headers 11313300 is a high-performance 2.5-inch catted X-pipe designed specifically for 2005-2010 Ford Mustang GT models equipped with the 4.6L 3-valve engine. This X-pipe features integrated high-flow catalytic converters and is engineered to work with Kooks long tube headers for maximum exhaust flow and performance gains.

Key Features:

• 2.5-inch diameter mandrel-bent tubing for optimal exhaust flow
• High-flow catalytic converters included for 50-state emissions compliance
• GREEN catalytic converter designation for premium performance
• X-pipe design balances exhaust pulses and enhances exhaust scavenging
• Requires Kooks long tube headers for proper fitment
• Handcrafted in the USA with precision TIG welding
• Designed for street and track applications

This catted X-pipe provides the performance benefits of an aftermarket exhaust system while maintaining catalytic converters for legal street use. The X-pipe configuration improves exhaust velocity and creates a distinctive, aggressive exhaust note. When combined with Kooks headers and cat-back exhaust, this system delivers significant horsepower and torque gains throughout the RPM range.