Im not saying there is not a power gain, im saying the air speed will be slowed down.. Quick scenrio blow through your lips if you were whistling, and have your hand 6" away then try it with your mouth open and see the diffirence. Simple stuff this. Regardless of N/A vs F/I, same principle applies. If adding a bigger throttle body was as easy, everybody would be running 100mm plus would they not ;) Ever thought why they dont...