i wanna get long tubes and remove my cats and use o2 sims but wat exactly is A.I.R on the headers and do i havta have it if so wats are some good headers that come with it? does anyone run headers w/ out air and if i use o2 sims my ses light wont flash rite?

 

I have The Other Guys (TOG's) and they have EGR and AIR on them. I installed them because CA is a bitch for smog with these new dyno smog machines and strict visual inspections. TOG's have a CARB number as well.

I think for 02 Sims, it is easiest to turn them off through a tuning program like LS!edit or HPTuners. I have never tuned before, but that is what other people have said.