C6 Corvette 2005-2008 Long SystemWith race inspired technology built into every system, you're looking at the very best the performance exhaust industry has to offer. Our C6 systems are available with 1 3 4", 1 7 8" or 2" primaries and a 3" x 3" catted or non catted X pipe mid section. Of course, these are manufactured using the highest quality 304 S S available and require no modifications to install. All systems come standard with merge collectors and scavenger spikes. We also use