Ok Here is my question guys Im trying to buy used cats off craigslist now will cats And y-pipe from a 99 camaro fit a 99 trans am? Or any 98-02 year camaro fit my 99 trans am and my car is from Kansas and now in Cali is there any other smog stuff that is added to Ca cars Ie. Smog pump of any other emmisions parts differnt ? Hope I made sense right now lol thanks