3" SS Street Screamer Cat-Back w/Black Tips. 2005-2006 Pontiac GTO.Kooks 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

It includes manganese phosphate coated hardened chromoly steel shank studs

Now with three generations of family leadership

The liner offers a very high load carrying capacity and has greatly increased dynamic wear characteristics

We also added the OEM spring perch options using this tester's car

One kit includes washers and bolts for both camber arms

For ease of installation

During high cornering loads

The OSS Operator Kit Bag is the ultimate companion for any adventure with its adaptable design

These do NOT fit the Multimatic DSSV struts

Berserker Series name in relation to our Active Shock Management (ASM) system

The Berserker Series utilizes many of the same upgraded

5° negative beyond stock (OEM spring size limits inboard travel slightly compared to the generally smaller sized coilover springs)