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Old 11-28-2012, 06:07 PM   #6
Steven747
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Join Date: Aug 2010
Location: Orange County, CA
Posts: 4,382
My Ride: 05 330ci
Quote:
Originally Posted by willsbma View Post
would they do anything on a stock motor?
i think the exhaust duration is to high and idle wouldent be good on stock tune
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