8th Generation Honda Civic Forum - View Single Post

Harry · 10-19-2008, 04:38 AM

In California with any OBDII car you can't mess with the cat. So even if you have a high flow cat it's still illegal so I think you might as well just go catless.

10-19-2008, 04:38 AM	#20 (permalink)
Harry Senior Member Join Date: Mar 2007 Location: Morgan Hill/San Jose Posts: 4,099	In California with any OBDII car you can't mess with the cat. So even if you have a high flow cat it's still illegal so I think you might as well just go catless.