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      08-13-2013, 09:53 PM   #44
JTO24
Got an 8:30 res at Dorsia
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Drives: 2015 TZB F80 M3
Join Date: Feb 2011
Location: South Jersey

iTrader: (7)

No? I don't think I follow your question.. ACM installed my ESS slip on (not ACM oem mod) and their test pipes and they told me my car sounds like a mix between the akra and mpe.. I can't comment on the acm oem mod as I have no experience with it