offering robust reliability for both street and track use
304 stainless steel adapter spacer bushings
A progressive valve will have a softer low-speed force that ramps up very quickly as shaft speed increases
thereby preventing the inner tie rods from breaking or bending
Call us for the upgraded spring perches if or when you ever upgrade
2" 2-Bolt Exhaust Flange. 3/8" Thick Stainless. Boss Side Pipe. 2010 Ford Mustang offering robust reliability for bothKooks 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