2" Street/Strip Package 2015+ Dodge Charger/Challenger Hellcat & 6.1L/6.4L 2019 ford mustang The P1 P-01R is optimized

The P1 P-01R is optimized for time attack

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

loosen the 4 Allen head bolts

Mobil ATF 3309

Mounts to a combination of horizontal and vertical planes of the frame for maximum strength

2" Street/Strip Package 2015+ Dodge Charger/Challenger Hellcat & 6.1L/6.4L 2019 ford mustang The P1 P-01R is optimizedKooks 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