3" x 2-3/4"(OEM) SS Competition Only X-Pipe. 2011-2014 Shelby GT500. 1989-pontiac-firebird-esi6878223 and Rear Upper Traction arm

and Rear Upper Traction arm are all injected rubber metal sleeved bushings

Includes 2 EA B485GB Shocks

slick tracks or allow for easy-up weight transfer or rear separation

we are able to achieve a stronger mounting solution and ease of installation

3" x 2-3/4"(OEM) SS Competition Only X-Pipe. 2011-2014 Shelby GT500. 1989-pontiac-firebird-esi6878223 and Rear Upper Traction armKooks 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