Quote:
Originally Posted by jamesching
i know this was from 3 years ago but i still wanna ask...ive heard that deleting the secondary cats will cause u to fail emissions im in nj and pretty sure they just do a OBD port test but not sure...is this true because i want to do this also if i get secondary cat delete pipes will that cause a cel
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the 2nd cats are over kill. they do not cause a CEL and you should still pass a emission test with them gone!