2006 GM LBZ Predator 9r04

Truck had to go into the dealership, so i set it back to stock. When i got my truck back i went to load the 65hp tune in and all went well. Drove the truck the following day and felt no difference in throttle response or power from stock. Plugged the programmer in and went ...

Does the u7186 leave any footprint in the new 08-09 LMM. New truck is on order and want to make sure that it doesn't have a chance of being detected. Also, will it work with a DPF delete exhasut system. thanks.

I have a U7186 running on an 06 LBZ. I was wondering if this same chip will work on my new 09 LMM. I understand that i have to set my 06 back to stock before the programmer will work on any other vehicles.