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      10-11-2010, 08:21 PM   #387
rummy
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Drives: '07 E92
Join Date: Jul 2010
Location: West Dundee, IL

iTrader: (2)

I tried this and drove it all day, and the difference was minimal during acceleration. It's a bit growlier under 2.5k, but everything after that seemed similar. HOWEVER, I do love the gurgling I get when I let off gas.