Hey hello. It has a collector size 2 in a half inche. I am trying to buy a cat that fits on the donut gasket 2 1/2". I am trying to buy oem but which do i ask for?? oem cat with that size.

i have a straight pipe all the way through to the header, when i got my car swapped wiht a b18 in a ek hatch . im trying to find a cat now and have a custome pipe to fit with it together to the header.

do i ask for a s2000 cat? or wat.

Thanks for any info would be happily appreciated.

 

Alright to answer my own question

I can use the oem honda s2000 cat, from wat i understand it has a 2 1/2" collector size.
and it will bolt up to my jdm header.
can anyone confirm this?