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      10-26-2012, 02:06 PM   #25
lacartus
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Drives: M3
Join Date: Jun 2007
Location: NJ


Posts: 137
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I'm interested based on the value and testimonials. If the perforated pipes are just replaced with straight pipes, why not just use straight pipes and save the weight of the muffler housing?
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Ian 2009 e90 MT