Originally Posted by HPDE007
Go to inlinefour.com, their specials page has the Car Sound Cat for $75.00. I believe it is manufactured by Magna Flow. It should pass the "sniffer test" no problem. You just have to have it installed by a muffler shop, prolly cost you about $50-$100. If your car is OBD 2 you can have them weld on an extra bung for the extra O2 sensor.
only cost me 45 with 1 yr warranty. i think the shop that i went to would chrage 125 including the cat which is CARB approved. i tihnk...