I just bought a catback setup and i was looking at the test pipe and it doesn't look like it has a bong for the o2 sensor so what can be done if it doesn't have one...Drill and weld a bong and get a cel fix from ebay...? really stuck on this one any help will be appreciated..thanks

 

That is one option. I could be wrong, but I think if you have a Cobb AccessPort you can clear the CEL.

 

Just for future reference bong != bung.

 

Moved from X to 1-9.

 

Most catbacks have a bung for the o2 sensor on the mid pipe. Are you talking about an extra bung for a wideband sensor?

 

Get a cel fix from ebay for like $12 or you can make your own like I did. There are many threads on here that will show you how to do it.

For the o2 bung, just take the test pipe to a local muffler shop and they will put a bung in for you.