Originally Posted by bejan

I've seen dyno tests (on actual paper in real life not what a company posted to promote their product) that the stillen g3 produces negative horse power over stock. I think that is because the g3 filters are not in an ideal spot. It's directly behind the fender where air does not naturally flow plus the curves from the tubing do not look too efficient. I'm no scientist or engineer but that's just my opinion.