very well said!!! I have owned 2 c6 zo6's. In my last one, few bolt on's I ran CONSISTANT 11.20's @ 128mph on 19" 345 Nitto INVO's. I know for a fact my new to me 04 viper with intake, exhaust only would not touch my old zo6, However I did race a bone stock 2011 zo6 from 50-140 in my intake...