BMW M3 Forum (E90 E92) - View Single Post

akkando · 02-03-2021, 10:52 AM

I think there is an xpipe that claims with o2 sensor extenders it won't throw a code. Ess street xpipe? Not sure.

I am curious what it would sound like with secondary cats gone?

02-03-2021, 10:52 AM	#2
akkando Major General 6090 Rep 6,746 Posts Drives: 17 M2 DCT LBB,11 e90 M3 ZCP IB Join Date: Jan 2017 Location: Bay Area iTrader: (1)	I think there is an xpipe that claims with o2 sensor extenders it won't throw a code. Ess street xpipe? Not sure. I am curious what it would sound like with secondary cats gone?
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