Ok, so i bought a cat that supposedly had the o2 sensor for the cat converter, for my 95 gsr. but it didnt have it and it just put it on thinking i can just do something to make up to for it, i was wondering since the cat doesn't have a bung, what if i bought a 98-01 header would that work for smog? since hte 98-01 has the o2 bung? (my car is running too rich to pass smog without o2 sensor)

 

The 98-99 header is the same length as yours and doesn't incorporate a bung into it. The 00-01 will have the bung, but the collector will be too long and not bolt directly to your cat.

My best advice would be to get the bung welded in there by a welder. If you have problems trying to find a bung to weld on there, let me know.

 

but the o2 sensor on the header will work the same as if it was in the cat right?? thanks for ur help all the time.

 

Right. As long as it is pre-cat somewhere near the cat, it should be fine.

No problem.

 

Listen to Schmoo, it'll be fine.