How much HP do i gain with this mode
actually its my first day over here and i would like to know how much HP do i gain with this listed below mods on my c6 zo6 2007.
1- PRC heads 265 c with double titanium springs,comp push roods, race valves from brian tolly & OEM rockers with boshes.
2- Costume comp camp hydraulic roller grind 281 LRR HR 13.
3- Vararam air intake.
4- throttle spacer.
5- Cooks header long tube off road.
6- B&B Xpipe + cat back.
C6 zo6 Oman