[QUOTE=JC671;2858667]Not quite sure what you are stating but on a catback systems it's exactly that. From the cataletic back. Meaning the factory cataletic should still be there. Unless the guy replaced the cats with a test pipe you should be fine.
If you are referring to the resonators on the stock mod pipe that has nothing to do with passing a sniffer. You should be fine.. Best thing to do is take a pic underneathe the car so we can better assess what you are referring to.[/QUOTE
the cats are replaced i just gotta check if its a test pipe for a high flow cat i never got a chance to look under the car uet
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