Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"
2-1/2" x 2-1/2"(OEM) Catted Stainless Steel X-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V 2 1/2in. Inlet x 2 1/2in. OEM Outlet Catted Stainless Steel X Pipe. Must be used with Kooks Headers.
2-1/2" x 2-1/2"(OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. Must be used with Kooks Headers with 2-1/2" Collectors. 2-1/2" OUTLET CONNECTS TO OEM EXHAUST. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

Fitment:
1999 Ford Mustang GT
1999 Ford Mustang SVT Cobra
2000 Ford Mustang GT
2001 Ford Mustang GT
2001 Ford Mustang GT Bullitt
2001 Ford Mustang SVT Cobra
2002 Ford Mustang GT
2003 Ford Mustang GT
2003 Ford Mustang Mach 1
2003 Ford Mustang SVT Cobra
2003 Ford Mustang SVT Cobra 10th Anniversary
2004 Ford Mustang GT
2004 Ford Mustang Mach 1
2004 Ford Mustang SVT Cobra

Vehicle Fitment