2.5 Inch Male Collector Flange

1x Male Header / Collector Flange for the Donut gasket with about 1/2" extension pipe to the header side for you to weld on. 

Fits all custom Headers with 2 bolt - 2.5" pipings, especially used on B-Series motor in 94-01 Acura Integra, 99-00 Honda Civic Si DOHC, and Delsol with the DOHC motor custom 2.5" collector JDM headers.  Or any custom Headers and High Flow Cats.  This piece was never offered before until we develop it.  If you have any questions, feel free to contact us.  We are a group of Honda/Acura specialists.  **Please check to be sure that this will fit your vehicle(s) before you purchase it.  If you need any specific dimensions please message us first.