I there a difference between a stock Evo8 o2 housing and a stock Evo9 o2 housing? I want to have my stock 2003 o2 housing ported and ceramic coated by Buschur Racing. The ported o2 housing will be used on either a evo9 turbo or Fp green turbo(haven't decided which turbo yet). Just want to make sure the ported o2 housing will match up to the stock Evo9 turbo or Fp green turbo

 

i do believe it will match up, someone with an evo 9 bought my invidia o2housing off my evo 8

 

im pretty sure itll fit, the hotside of the 8 and 9 turbos are the same as far as i know.

 

The 03-04 hotside is 9.8 and the 05-06 is 10.5 if my searching is correct.

 

it fits i just put mines together