[SR20 Inside]

I'm looking into a 3" test pipe with an o2 bung welded in it but the one I found seems to have the bung from a 95-97 se-r. Not sure if this is the same size and threading as the o2 on the g20, anyone know?
TIA

 

[SR20 Inside]

ttt...

 

[SR20RACER]

Call the dealership and have them check the part #'s.

 

[SR20 Inside]

I only need to know if the threading is the same not the part. I guess I should have worded the qust differently eh.