Originally Posted by CHECKERED
In California they passed a law that starting in 2013 cars 2000 year or newer will only require an OBDII scan and no tailpipe testing, so as long as your tune ignores the O2 signal for not having cats you will be fine.
I have heard about that. But I was thinking the OBDII would be worse? no?
Can't it read the AFR's from the OBDII?