Kooks 07-10 Ford Mustang Shelby GT500 1-7/8 x 3 Header & Green Catted X-Pipe Kit 2003-bmw-m5-base-esi2115330 7L 2004-2005 Cadillac CTS with

7L 2004-2005 Cadillac CTS with our signature resonant

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and 2007-2010 135i

- Core Size: 22"x7"x2

Kooks 07-10 Ford Mustang Shelby GT500 1-7/8 x 3 Header & Green Catted X-Pipe Kit 2003-bmw-m5-base-esi2115330 7L 2004-2005 Cadillac CTS withKooks 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