Mach has Mac long tubes, Mac o/f prochamber, Mac catback, P/P intake, intake spacer, Accufab TB, K&N...
Mach has Mac long tubes, Mac o/f prochamber, Mac catback, P/P intake, intake spacer, Accufab TB, K&N Fip kit, 4:10's, MGW shifter, Sniper tuned.. C5 has Long tubes, O/F x-pipe, cat back twin Volant CAi and other mods but unkown. I was in 1st he was in 2nd. I was at like 5,000 so I spun hard.