BMW 3-Series (E90 E92) Forum - View Single Post - Anyone with Borla Racing Pipes, or other racing pipes?

mattsfeir · 03-12-2012, 09:43 PM

Still works great. Currently running the stock exhaust for emissions, will try to get some stock vs aftermarket video of cold start and some driving when I switch back to catless.

03-12-2012, 09:43 PM	#21
mattsfeir Lieutenant 37 Rep 458 Posts Drives: 335xi Join Date: Oct 2009 Location: CO iTrader: (2)	Still works great. Currently running the stock exhaust for emissions, will try to get some stock vs aftermarket video of cold start and some driving when I switch back to catless.
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