BMW M3 Forum (E90 E92) - View Single Post - OEM muffler bypass mod, anyone regret it?

DBE · 09-02-2015, 03:07 AM

After living with the 4 pipe for a while Im not so sure. The drone is starting to get to me during general driving so if I had my time again Id stick with 2 or try 2.5

09-02-2015, 03:07 AM	#25
DBE First Lieutenant 90 Rep 341 Posts Drives: 08 E92 M3 Join Date: May 2012 Location: Brisbane iTrader: (0)	After living with the 4 pipe for a while Im not so sure. The drone is starting to get to me during general driving so if I had my time again Id stick with 2 or try 2.5
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