Need Some Help

[SwagMan]

Can i Pass emissions with my full cat back exhaust that i hooked up or would i need to throw own the stock exhaust for now !

And If I do need to buy a cat or stock exhaust any one out there PM me.

Thanks

[jdmdikk]

What year car do you have? You might need to have a cat if it's a obd2 Honda .it should pass with the exhaust system tho

[SwagMan]

Its a 1997 civic dx

[Inline4]

Any cel?