BMW 3-Series (E90 E92) Forum - View Single Post - what DP + Exhaust combo will pass emissions?

cn555ic · 11-17-2012, 08:00 PM

I am catless and I pass emissions. I do have a O2 simulator for OBD readiness. If your state doesn't require this, then any section 3 exhaust would be good coupled with catted DPs to pass emissions testing which I have no idea why you need this

11-17-2012, 08:00 PM	#5
cn555ic 441 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	I am catless and I pass emissions. I do have a O2 simulator for OBD readiness. If your state doesn't require this, then any section 3 exhaust would be good coupled with catted DPs to pass emissions testing which I have no idea why you need this
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