NOS?
#2
NOS?
if he has a M3 then he is pushing 330 hp, your only pushing about 220 with that V6 if putting him in his place is a serious goal the first thing i would do is put a super charger on it. it is expensive but you would get the best results out of it.
#4
NOS?
super chargers are constantly changing, what i would do is just shop around and look at the different charts to see performance differences, for the exaust i would drop the borla and go with the 80 series flowmaster, it is a lot better exaust and your talking about a camaro not a ricer