BMW 3-Series (E90 E92) Forum - View Single Post

DZheng · 07-01-2014, 02:59 AM

If you still have the muffler its not a straight pipe.
I would of kept the cats, and removed the resonator and muffler. So you get a nice back fire pop sound like stashtrey.
You in south bay?

07-01-2014, 02:59 AM	#15
DZheng Second Lieutenant 63 Rep 294 Posts Drives: BMW Join Date: Mar 2013 Location: Bay Area iTrader: (1)	If you still have the muffler its not a straight pipe. I would of kept the cats, and removed the resonator and muffler. So you get a nice back fire pop sound like stashtrey. You in south bay?
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