BMW M3 Forum (E90 E92) - View Single Post

Helmsman · 11-15-2017, 01:29 PM

I'd start with a classic OEM mod, maybe 4-pipe if you're certain you want it proper loud. Plenty to read about straight through/ACM mod which still keep some of the chambers to limit drone.

11-15-2017, 01:29 PM	#3
Helmsman Major General 5484 Rep 7,657 Posts Drives: 2011 AW E90 M3 ZCP Join Date: Mar 2014 Location: Stockholm, Sweden iTrader: (0)	I'd start with a classic OEM mod, maybe 4-pipe if you're certain you want it proper loud. Plenty to read about straight through/ACM mod which still keep some of the chambers to limit drone.
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