C6 Z06 Corvette 2006-2013 Long SystemOur Z06 systems are available with 1 7 8" or 2" primaries with a 3" x 3" catted or non catted X pipe system. 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 the highest quality and best flowing metallic substrate catalytic converters available and all systems assemble with Grade 8 hardware and