Quote:
Originally Posted by mapleridge
it has been done. Can't remember the thread name. apparently the member who did it said it changed the exhaust note. Toned it down, but that could be subjective. I am going to sort of do the same with a stock muffler. M3 quads. One of us will find out sooner or later.
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i would do it to stock muffler no problem but since i have the performance exhaust i am not sure what to do here,i wont be happy if it makes the tone go down,hopefully i can find out about this soon.