BMW 3-Series (E90 E92) Forum - View Single Post - Installing 3" AR Downpipe to stock exhaust

airbornesoldier · 11-04-2011, 10:48 AM

thanks for the quick reply. I would of thought that from the 3" to the stock there would be diameter size difference when aligning the mating flange together.

11-04-2011, 10:48 AM	#6
airbornesoldier New Member 2 Rep 8 Posts Drives: IED Proof Join Date: Nov 2011 Location: Afghanistan iTrader: (0)	thanks for the quick reply. I would of thought that from the 3" to the stock there would be diameter size difference when aligning the mating flange together.
	Appreciate 0 Quote