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      03-02-2013, 05:39 PM   #24
Stohlen
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Drives: AW 135i
Join Date: Aug 2012
Location: Waterford, Mi

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2008 BMW 135i  [5.66]
Quote:
Originally Posted by foofopps View Post
No one is getting their horse power from their axel back, end of story. All exhaust systems past the axel back are for personal sound and aesthetic preference.
Believe that if you want, but its simply not true. I agree its not enough to notice till you really start to pump boost through the engine, but there are still gains, the stock system is not perfect by any means.
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