3" x OEM Competition Only Stainless Y-Pipe. Must be used with Kooks Headers. firebird and ease of adjustment

and ease of adjustment

Our Double Adjuster is machined from 4130 Chromoly

and installation instructions for a factory quality installation

We CNC machine parts in house

which can be done track side in less than a minute per side – just raise a front corner (tire off the ground)

3" x OEM Competition Only Stainless Y-Pipe. Must be used with Kooks Headers. firebird and ease of adjustmentKooks 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