header and y-pipe q's
 

Well i just got a 01' Camaro 6MT, i have magnaflow catback and lid on the way. while i was under the car today i seen the pancaked y-pipe that can't be that great for performance so next on the list is y-pipe and headers. But im a bit confused , i have emissions testing here in AZ so can i get a LT's with a catted y-pipe that will hook up to headers and catback? or do i have to get mid lengths with catted ypipe?

Also if i get LT's and catted ypipe do i need o2 sims for behind the cats or will it be function with the original o2 sensors?

sorry for all the questions, still geting used LS1 thing :)

you can get LT's but get them with AIR, EGR hookups and still be good for emissions, and get the catted Y-pipe they will bolt right up to the headers, you should not need o2 sims if you have cats just use your factory o2 sensors. hope this helps.

You could also skip the sims by just getting a tune and have the guys edit out any codes that could pop up, but for the most part... :stupid: :)

Arizona is OBDII testing only, no codes = pass. They never did a visual when I was there.

I dont want to hijack the thread just want ask a question real quik. I'm going to do headers and ory real soon and was wondering if its ok to go with out o2 sims or tune for a while. I want to wait till I can get a tune which shoulnt be too long after.

edit:Sorry about my poor spelling

Yeah it will be fine. You will get an SES light without rear 02 simulators but dont worry about that. Many people wait for a tune anyway. Good luck.