Thread: Louder exhaust note?
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      02-05-2013, 08:37 PM   #5
dL_EVO
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Drives: 2006 EVO IX, 2011 BMW 335D
Join Date: May 2011
Location: San Francisco Bay Area, CA

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How did you chop up your stock cat-back? It didn't produce any audible difference?

Can you elaborate on your modifications to your cat-back.
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