In states with California emissions requirements, aftermarket catted downpipes will not be legal. You must Check out with your local screening agency in advance of ordering your downpipe if you want a downpipe that may be California compliant. However, if you intend to trace your car, going catless as a https://louispvbfi.thebindingwiki.com/7637886/a_secret_weapon_for_downpipes_audi_rs6