Quote Originally Posted by XP02ED View Post
i heard u cant dyno a gruppem to see the exact output..

anywaiz no use dyno at this time cars are stock.. hopefully my cams and hondata come soon
You can dyno to measure the gain in power (which is what makes your car accelerate harder). But you cannot dyno for throttle response, which is the main benefit of the GruppeM over the CAI-type intakes.