This is a discussion on Emissions Test within the External Engine forums, part of the LSx Technical Help Section category; Here is the setup that i am going to be getting: Pacesetter LT Headers, TSP True Duals w/Sweet Thunder Mufflers ...
05-27-2007, 10:21 PM #1
Here is the setup that i am going to be getting: Pacesetter LT Headers, TSP True Duals w/Sweet Thunder Mufflers Dumped. Now i know that i am going to need the o2 extensions and but my question is i live in IL and they only plug into my computer to do the emissions they never look or put anything into my exaust. so im wondering if i get o2 sims will that be the only thing that i have to do to pass or do i have to get the codes deleted? Because i am not going to put cats on the car. Also do you have to get a tune done with LT headers? if you have to know that my car is a 99 z28 M6.
05-28-2007, 06:46 AM #2
- Join Date
- Jan 2006
- The great red state of MD.
- 2001 Trans Am (sold)
You'll pass the OBDII test with 02 simms. Just hope they don't give a visual.
05-28-2007, 10:19 PM #3
Ive done the emissions test 2 times and they never look they just plug into the computer.
05-28-2007, 10:20 PM #4
will my ses light go on if i get o2 sims
06-01-2007, 07:58 AM #5
Not if they work right. Sometimes they fail, or don't work from the start. There are a lot of stories across the LS1 boards about failed sims. For a cheaper fix, try this: http://www.srtforums.com/forums/showthread.php?t=93604 . I have a few buddies that have done this on Cavaliers, SS Impalas, and Chevy trucks. It has worked in every case I know of. It is waaayyy cheaper than sims. The only thing better would be to tune them out...
06-03-2007, 07:27 PM #6
thanks i might just get the codes deleted out
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