Quote:
Originally Posted by Tunerjones
So I've been doing a lot of research and trying to squeeze the most amount of horsepower out of my girl.
Car:
E92 M3
Turner Test pipes and oem exhaust mod
I do not daily the car, so the loudness of the car isn't a huge factor for me.
I have looked into getting an x pipe for the car.
I have also shopped around the idea of having the mufflers deleted, 2.5 pipe waddled in place and 4 inch quad tips on the end.
What I'm asking is, has anyone built custom 3 inch exhaust for the m3's through a muffler fab shop? Has it produced positive tested HP gains on supercharged cars?
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Do you have any exhaust videos of the setup? Looking at that for mine as well. Thanks 90856674zero3