Originally Posted by Alaskan_awd
Do you guys think a catted COBB DP will pass?
A tough IM tech could still fail you for the "visual" inspection. I had a Neon a few years ago that I put a header on. The header was CARB legal but the stickers had burned off. Since he saw a "non-factory" exhaust modification, he failed me and wouldn't even hook up the OBD2 port or the sniffer.