X5M/X6M Exhaust ideas and thoughts.........
Question? Since the factory exhaust sounds so good and you really see no big gains on real horsepower from them, is there any companies out there that can make sleeves for our exhausts in either black or in real carbon fiber? I'm really interested in downpipes since that is where you see horsepower gains, but the tips seem so generic and ugly. Anybody have any thoughts or ideas? Ben (RGSport) do you think you have some thoughts?
Joe
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