Quote:
Originally Posted by termigni
so you know more about the exhaust system of the new M3/M4 than these engineers at BMW AG in Germany? please specify what you studied, what you do for living and for how long. or are you just a street tuner?
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I don't understand your question? I'm not challenging what BMW AG decided to use for the exhaust. I'm simply stating the obvious, and that's BMW choosing to use an H-pipe instead of an X-pipe. It's a given that X-pipes smooth/mellow out sounds over an H-pipe; doesn't take a PhD to figure that out. Get off your high horse
