We tried out TPS Motorsports C6 Z06 Long Tube Headers and Catted X Pipe and we are very pleased with the results. This was on a bone stock 2013 C6 Z06 with 93 octane pump gas. There was no tuning and no other modifications other than just bolt them on and go. We started with 2 runs of the Z06 in stock form and then did 2 runs with the headers bolted on. We plotted the best run stock of 460rw / ...