I'm looking for a thread with information about running cat-less, high flow cats, test pipes, o2 sensors, CEL related. If there isn't one I suppose this could be it. I'm looking for information on all of this stuff, cause I'm thinking about running no cats, but don't wanna deal with a CEL. I saw the o2 anti foulers. I just wanna see all of my options and discuss this kind of stuff.

 

Bump. For those of you with TBE's with no cats... what do you do for your CEL?

 

Just run an extender or do the tephra mod and turn it off in your ECU. I did bought and 02 extender and (knock on wood) havent had an issue

 

The emissions machine for inspection doesn't pick up on that?

 

If you live in a state that illegal to go catless then yah if they do a sniff test you probably wont pass. If thats the case and you want to run catless you just keep your cat and swap it out prior to inspection. Not sure there is a way around that

 

I live in NH. I'm a technician and actually write my own inspection stickers. We don't have a sniff test but we do have to hook up the emissions tester to the data link connector. So there's really no way around it. These inspection machines are smart. Even sometimes if a car is tuned it won't go through emissions.

 

IDK how it works in NH. In PA if I need it to pass with a new shop that is not comfortable I throw my HFC back on not a huge deal