ZR1 Corvette 2009-2013 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 ZR1 systems are available with 1 7 8" or 2" primaries and your choice of 3" x 3" or 3" x 2 1 2" 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