Quote:
Originally Posted by thejeremyman9
AA is technically the only one that is EPA (49-state) legal. So if you want to be totally legit, get that one.
The others listed guarantee no CEL and should get the emission monitor ready, but in theory can technically still fail a visual inspection (very unlikely). I've been running fabspeed for 2 years and have never gotten a CEL and my emission monitor is ready. Same should be true for CG.
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Thx, there's no visual inspection here, just OBD check and tailpipe sniffer.