Thread: Downpipe on stock exhaust?
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      11-10-2015, 10:18 AM   #5
j_d_valle
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Drives: bmw e30/bmw f13
Join Date: Sep 2015
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There are a few clips on youtube of f10 f12 f13 comparisons of sound of stock exhasut +downpipes vs just stock exhaust. Look it up.
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