2010 2011 BMW 5 Series Forum F10 - View Single Post - AR DESIGN- Catless Downpipes for BMW F10 550i

asp17 · 07-03-2012, 05:23 PM

mmmmmm
Tell me about the sound with these? Did you have an Exhaust to match it up with?
Do these Delete your Cats or are they HFC? Did it make your CEL turn on?

07-03-2012, 05:23 PM	#2
asp17 Lieutenant 79 Rep 408 Posts Drives: F98 X4M Comp Join Date: Mar 2009 Location: 305 iTrader: (1)	mmmmmm Tell me about the sound with these? Did you have an Exhaust to match it up with? Do these Delete your Cats or are they HFC? Did it make your CEL turn on? __________________ ASP
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