BMW M3 Forum (E90 E92) - View Single Post

TanDaMan · 10-12-2012, 11:52 AM

the raspiness and loudness refers the ACM mod and not the perforated pipe mod correct? I have the perf mod and want to go catless soon too but dont want it to sound like crap.

10-12-2012, 11:52 AM	#12
TanDaMan Private 14 Rep 96 Posts Drives: BMW M3 E90 Join Date: Apr 2012 Location: Georgia iTrader: (1)	the raspiness and loudness refers the ACM mod and not the perforated pipe mod correct? I have the perf mod and want to go catless soon too but dont want it to sound like crap.
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