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      10-04-2012, 09:53 PM   #2
Johnny D
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Drives: 2006 BMW 325i
Join Date: Apr 2011
Location: Hot Springs, AR

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2006 BMW 325i  [4.58]
I see no benefit if you keep the y-pipe/res of the stock exhaust. If you were to set up a true dual setup then yes, I think it would be beneficial.
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