Originally posted by KidSpen
just one of those "little things u can" do to shave sec.'s of your times i guess.
Seconds? Holy crap! I'm going to go cut up my 5.0 right now!
Seriously though. If your car is actually fast the "speed holes" in the rear bumper would help with aerodynamics if your going 120+ ... any less and I think they would be useless at the track.