Originally Posted by Noriceplease
I thought aem would get the best gains because it's near the coolest air but 4 hp is no good. Steeda
The AEM doesn't see dyno gains because the car isn't moving. True cold air systems usually have the best gains, but not on dynos. Most of the faster, higher hp cars use the true cai system vs the short ram like kn or steeda.
EDIT: Its also a hp gain of 4 at 5200 rpms, not as a whole.