Do they have annual smog (emmission) checks where you live. Even in California they don't do that. I don't know of any aftermarket exhaust which has a cat.Originally posted by NinjaMan
#3 If I replace my stock can with an aftermarket one (slip-on or full), because I will no longer have the catalytic converter, will I be breaking any emissions laws (UK? Is this even a concern anywhere else? Can I get aftermarket cans with catalytic converters ?