2-1/2" Comp. Only Y-Pipe. 2009-2010 F150 5.4L 3V. Requires Kooks Headers. 1986-pontiac-firebird-esi7455448 While other valvings are available

While other valvings are available upon request

and eliminates bushing deflection under load

Stainless Steel spacers are provided to correct roll center for lowered vehicles

SPL Parts Adjustable Rear Upper Traction Arm Features: Lightweight Aluminum

2-1/2" Comp. Only Y-Pipe. 2009-2010 F150 5.4L 3V. Requires Kooks Headers. 1986-pontiac-firebird-esi7455448 While other valvings are availableKooks 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