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      01-03-2014, 06:42 PM   #7
grantmax
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Drives: 2011 M3 ZCP
Join Date: Mar 2011
Location: LA

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Quote:
Originally Posted by Dashman View Post
Sounds great, I did the perforated method too (one pipe on each side). Yours sound more agressive. Is everything else (cats, mid-pipe) stock?
This confirms my assumption. I believe all 4 pipes (rather than just 2) were replaced/clamped in this exhaust.

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