The triple adjustable also has a 1/8" hex
where the Berserker now gives the street/track enthusiast a “streetable” performance valving that is specific to their specific use and vehicle
The patented Berserker Series is for high performance street / track use that is available in various compression and rebound use/vehicle specific valving
cleanliness and superior drain intervals
The Berserker Series is available in both double-adjustable and triple-adjustable
1-5/8" Header and GREEN Catted X-Pipe Kit. 2003-2004 Mercury Marauder 4.6L 4V. 2007 Ford Mustang The triple adjustable also hasKooks 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