Tune with headers?

[BurgandyBird00]

I have 2000 T/A and will be putting lt pacesetters on it along with ORY. Do I need to have a tune after doing this or will I be ok running the way it is?
Also, O2 sims or can I run with the SES light on until tune? Will this effect how it performs?

Thanks,
Jim

[youngrigo aka NVEEOUS]

You can drive your car with LTs and no tune.... You wont be getting the most out of it tho

[99Hugger]

I dyno'd after installing the exact same set up (have a catted TSP Y pipe now, hated the sound of the ORY). I actually lost 12hp, caused a big time lean condition. Some motors go the other way and run rich. I'd def recommend at least a street tune.

If you don't get the O2 sims and extensions you will need to get them tuned out.

[firebirdmuscle]

Originally Posted by 99Hugger

I dyno'd after installing the exact same set up (have a catted TSP Y pipe now, hated the sound of the ORY). I actually lost 12hp, caused a big time lean condition. Some motors go the other way and run rich. I'd def recommend at least a street tune.

If you don't get the O2 sims and extensions you will need to get them tuned out.

i know this is off topic but if you have a sound clip with the ory could you post it up along with a sound clip of the new set up. i'm trying to get ideas and it would be helpful

[RrCoX22]

definitely get a tune as like 99hugger mentioned the A/F can go all out of whack and kill your MPG.... it's not necessarily needed but definetly helps. also you will be fine driving with the SES light on. I drove around for about 1 month with open headers and my SES light on before I got my tune.

and my front O2's were still good and didn't burn up

[youngrigo aka NVEEOUS]

The real question should be... Do you have any plans in the NEAR future to add a cam or other mods?

If so.. Just wait and get it tuned once. If not then might as well get it tuned

[99Hugger]

Originally Posted by RrCoX22

definitely get a tune as like 99hugger mentioned the A/F can go all out of whack and kill your MPG.... it's not necessarily needed but definetly helps. also you will be fine driving with the SES light on. I drove around for about 1 month with open headers and my SES light on before I got my tune.

and my front O2's were still good and didn't burn up

Actually could kill a little more than MPG. I was lean to around 16.0, prob would have eventually done some cylinder damage if i just left it.

Also, I though he was asking if he needed rear 02 sims...

[99Hugger]

Originally Posted by firebirdmuscle

i know this is off topic but if you have a sound clip with the ory could you post it up along with a sound clip of the new set up. i'm trying to get ideas and it would be helpful

I don't, just a few from the track but the sound is really bad. I could get one of the current set up if you wanted.

Here's a cool site though, lots of sound clips of different exhaust combos... LS1 Sounds - Your Comprehensive Exhaust Resource