OBX Header outlet inner diameter...and CAT option. [Archive] - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

View Full Version : OBX Header outlet inner diameter...and CAT option.

formeRiceR

07-01-2004, 11:17 PM

I was just wondering what the inner diameter for outlet on the OBX header is, and also what size cat I should get to compliment the header.

thanks guys

Ghettokracker71

07-02-2004, 01:30 PM

2 1/4....so natrually what size cat do you think would compliement the 2 1/4 outlet on the header?:doh: