Originally Posted by jonnyangel04
THat is a VRP after market throttle body that is 80mm... That is why you have to special order the 80mm CF box from him if you have vrus intake instead of the 70mm box. I believe the 55s are the same size as ours which is considered a 70 or a 75 i have heard both..
interesting, good to know. yet I wonder if there are any power gains with the VRS throttle body, I'm willing to bet that there is more flow restriction on the intake ports that the 80mm TB makes no difference.
Have you been able to find any flow numbers or dyno graphs from VRS?