ej9 stock exhaust diameter?

[Civicfacelift]

What is the stock diameter of an ej9 exhaust?
I am thinking of buying one of these>>>
OBX Universal Mugen Twin Loop Exhaust Muffler Honda CIVIC Accord Prelude CRX FIT | eBay
good or bad idea? il need to weld it on ..
thanks

 

[fljoshua129]

I think it may be 2" external diameter. I'm sure someone will correct me if I am wrong.

 

[ek9danz]

EJ9 and EK4 are both 2.25" diameter exhaust sleeving. The one on ebay says 3" which could be customed to fit at a cost.