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Originally Posted by 135Passion
I'm debating the Berk Axle-Back Street Performance Exhaust. I have stock downpipes and stock charge pipe. I'd like an increase in aggressive tone from the stock but not douche bag level. For the money, what do you guys think? any suggestions? I have a 2009 135i by the way.
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I will be installing the berk system just after the new year i can post some pics and sound clips perhaps. Also retains the stock look. Thats the best part.