Kooks: 2009-2015 Cadillac CTS-V. LS9 6.2L -- 1-7/8" x 3" SS Longtube Headers and Green Catted SS X-Pipe helixx This system is finished off

This system is finished off with dual 4" straight cut

Fitment Audi A5 3

Rated to 800HP

4-3/8” & 4-1/8” ID

Small Block Ford

Kooks: 2009-2015 Cadillac CTS-V. LS9 6.2L -- 1-7/8" x 3" SS Longtube Headers and Green Catted SS X-Pipe helixx This system is finished off1 7 8" Header and GREEN Connection Kit. 2009 2015 Cadillac CTS V. LS9 6. 2L. 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