They claim gains on a test bed. Not in a hot engine bay.gsh10 said:i imagim it must giver some power gain or else why would they even sell it? (HERE BUY THIS NEW K&N AND GET LESS POWER) i cant see it.
thats what i was going to say because when i had a RR done they had this big fan blowing s**t loads of air at the front of the car.Pete said:never done a rolling road have you
Got a huge fan infront of the car![]()