i am looking for a good cat converter that would pass california emssion test i found a catco converter ima get the tubing custom dae at a shop and i dont want a loud exhaust what you think should i get a flowmaster exhuast all the piping will be 2.5 inches i have some pacesetter headers wich i think are 2.00 inches so what you think? should i get the catco converter and flowmaster exhuast by the way i have a 90 integra with the stock engine and few bolt ons headers,intake,chipped ecu,throttle body spacer,ebay short shifterand etc.....