Personal observation-Audi A4 1.8t guys cut the underside of the wheel housing cover(i dunno wat its called, i forgot) (they have SideMountIntercoolers too) and they get a noticable difference in, duh, throttle response, and they also know they have gotten more torque for sure.....i havent been on in a while but i dont know of anyone dynoin to make sure i can bacl that up.
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