Kooks Headers 1156H630 2" x 3" Long Tube Headers with GREEN Catted Connection Kit

The Kooks 1156H630 features 2" x 3" stainless steel long tube headers paired with GREEN catted connection pipes and OEM adapters, engineered specifically for the 2020-2022 Ford Mustang Shelby GT500 5.2L supercharged engine. This complete header and exhaust system delivers maximum exhaust flow for substantial horsepower and torque gains while maintaining emissions compliance.

Complete Installation Kit:

• Includes O2 sensor extensions, gaskets, and all installation hardware—no additional parts required
• Handcrafted from premium 18-gauge T304 stainless steel for superior corrosion resistance and durability
• Features 2.750" outlet diameter and 3.000" collector diameter for optimized exhaust scavenging
• Custom-sculpted design ensures perfect fit on GT500 chassis

GREEN Catalytic Converter Technology:

• GREEN Cats feature increased precious metal content for proper catalytic reaction in high-horsepower and forced induction applications, with enhanced heat resistance
• EPA-certified GREENCATS come with a 2-year limited replacement warranty
• 400 CPSI high-flow substrate certified to EPA standards, rated for forced induction use
• Recommended for applications producing over 600 horsepower—essential for factory supercharged GT500

Quality and Performance:

• Backed by Kooks limited lifetime warranty to the original purchaser
• Dyno and race tested, designed for maximum power output
• Handcrafted in the USA with three generations of family leadership and racing expertise
• Mandrel-bent tubing maintains consistent diameter for unrestricted flow

Kooks Headers has been the industry leader in high-performance exhaust systems since 1962, with hundreds of championship wins across NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, and SCCA racing organizations. The 1156H630 system represents over 50 years of exhaust engineering expertise optimized specifically for the supercharged GT500 platform.

Note: Not legal for sale or use in California. This product may not meet CARB compliance standards. Installation may affect emissions compliance. Consult local regulations before purchase.