21613300 Kooks X-Pipe with Green High Performance Cats - C6 Corvette Z06. Add this X-Pipe to your Kooks Header Purchase. This X-Pipe has Kooks Famous 3" Green High Performance Cats and is intended for Street use where allowed by law. X-Pipe is a full 3". Mate with Kooks Long Tube Headers.
Fitment: C6 Corvette Z06 and ZR1 (2006 - 2013)