This is a discussion on offroad exhaust within the External Engine forums, part of the LSx Technical Help Section category; Hi I have a 99 z28 that I want to put an off road exhaust on. I know this will ...
09-24-2007, 05:12 PM #1
- Join Date
- Sep 2007
- 99 z28
Hi I have a 99 z28 that I want to put an off road exhaust on. I know this will give me a low converter efficiency code. I understand there are converter simms out there. But I was I also told the ecm could be reprogrammed also. I have a Tech 2 scan tool. Is this possible with it? And if so what do you do to reprogram it. I just got the tool and am not as familiar with it, as I am with my Modis which can't reprogram at all. Thanks Aaron
09-24-2007, 05:23 PM #2
- Join Date
- Aug 2005
- Thornton, CO
Red Tint Jewelcoat
- 2008 Trailblazer SS
I don't believe the Tech2 allows for reprogramming.
I recommend having a local with HPTuners or LS1edit turn off those codes for you. Sims can be more trouble than they are worth.
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