easily revalved by the user
without compromising strength
Rear Section detachable with billet interlocking couplers for ease of installation
The rear down tubes also mount to a supported portion of the unibody structure
quickly at low shaft speeds and level off at higher shaft speeds
1-7/8" Header and GREEN Connection Kit. 2004-2007 Cadillac CTS-V 5.7L/6.0L. 2013 Ford Mustang easily revalved by the userKooks 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