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      10-22-2009, 05:59 PM   #31
Graystone
First Lieutenant
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Drives: 335i sport euro 6mt
Join Date: Mar 2007
Location: The World


Posts: 342
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GAINS

what are the whp gains with the BMW sport exhaust for the 335I sedan. Been searching and am very interested. Are the gains in the same neighborhood as other aftermarket 13hp claims. Or is this much more mild.