Thread: New to the forum - 2004 530i
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      10-16-2008, 12:43 AM   #9
rAdzM
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Drives: 2009 E92 M3
Join Date: Oct 2008
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2009 BMW M3  [10.00]
2006 BMW M5  [9.00]
is there a big difference in performance after you add the quad exhaust?
I want to put one for my car.
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