ek9 catalytic converter and ek4 SiR catalytic converter

[mick218]

are these two have the same 2.5inch collector?

 

[elchunk]

have a look in this thread.

http://www.ek9.org/forum/air-intake-exhaust/37158-cat-comparison.html

 

[mick218]

Ive seen that thread that doesnt answer my question cos am talking about jdm ek9 and jdm ek4.