Kooks 14+ Chevy Corvette C7 3in x 3in GREEN Cat SS X-Pipe Kooks HDR Req - 21703300 Cooling Packages Provides improvement in airflow

Provides improvement in airflow

4 lbs vs OEM

----An increase in power requires superior durability to match

BMC 2011+ Chevrolet Sonic 1

Kooks 14+ Chevy Corvette C7 3in x 3in GREEN Cat SS X-Pipe Kooks HDR Req - 21703300 Cooling Packages Provides improvement in airflowKooks 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