Came from my old setup back when my car was running. It's a 2.25" from o2 housing to flex section. It's 2.75" after the flex. Will come with a test pipe that was also used on my old setup which is 2.75" but I will have to double check on that. $60.00 OBO
Last edited by b00sted_spyder; 03-08-2012 at 08:45 PM..