BMW M3 Forum (E90 E92) - View Single Post - Ram Air Intake System released from GruppeM

ChitownM3 · 01-21-2008, 01:49 PM

Not really impressed with the video, maybe I need to hear what a stock one sounds like first. I wouldn't expect gas mileage to decrease with an intake, usually intake and exhauts helps fuel economy rather than hurt it.

01-21-2008, 01:49 PM	#16
ChitownM3 Lieutenant 28 Rep 491 Posts Drives: 2001 SS Camaro Join Date: Jun 2007 Location: Burbs of Chicago iTrader: (0)	Not really impressed with the video, maybe I need to hear what a stock one sounds like first. I wouldn't expect gas mileage to decrease with an intake, usually intake and exhauts helps fuel economy rather than hurt it.
	Appreciate 0 Quote