psuhurdler

I bough and installed the bassani x pipe with cats 6 or 8 months ago my check engine light came one shortly after maybe month or so saying my catts were bad. I got the codes which are Po420 and Po430. are my catts bad or are the oxygen sensors off now that I have diff catts. Please help

HOLLYWOOD99

If its just cats nad no heaters than yes the computer may be acting adversly.

M1ke

mine did that for about a month once i had mine but it went away. if its saying the cats are bad, id ignore it. its not going to hurt your engine.

psuhurdler

What do i do to get the check engine light off?

mvr

a handheld tuner should be able to clear it