what chips or programers can you use on a 03 4500 duramax
we put a bd 170 horse on my uncles but it erased the ecm and he had to have the dealer reprogram it.. just wondering what wont hurt the truck and what you cant use

http://www.pacificp.com/computergm.htm#xcellly :ro) :ro)

Xcelerator LLY Price: $679.79 is what I got and it is great.

I do recomend gauges first, or buy them togeather.

The Xcelerator is so easy my wife did it!

i need something for a lb7 though thanks

Edge works on LB7