Re: Drilling the air filter?
Just to probably enhance the induction sound as you said.... You actually loose power as it is no doubt sucking in warm air instead of cold i know thats the principle on my car, wen i had it, it had a drilled airbox before i got an induction kit and put it at the furthest point from the engine to suck in as much cold air as poss combined with a cold air force feed leading from the front bumper to the filter.
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