How crazy would that be if there was an exhaust system that created 80 bolt-on horsepower?
Both your M5 and the tips look great ..
Quote:
Originally Posted by Grayblack
I'm pretty sure I have the most powerful M5 in the US! My custom exhaust puts out an additional 80 hp!
JK I haven't decided what exhaust to put on yet so my buddy made some 90 mm black ceramic coated tips. They put out 0 gains. For now, it's all show no go.
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