I bought a Bully dog GT Tuner for my Chevy 2500 HD, after I paid $150.00 to have it professionally installed including having my manifold bored to install the pyrometer the system would not communicate through the trucks input plug and therefore would not download the Bully Dog program onto the truck nor would it work.

I contacted Bully Dog and had their "lead" technician walk me through step by step NO HELP the system would not work. After two days of frustrating communication with their tech and one of Bully Dogs managers they blamed my NEW Dealer original truck, stating some Bully Dog units will not be able to communicate with "SOME" trucks and will not work.......Where is that as a warning in their literature that you might end up with a very expensive FISHING WEIGHT........BECAUSE IT MAY NOT WORK ON "SOME" TRUCKS.

Since then I have left messages tried calling in vain many many times with no one picking up my calls. So I have had my truck drilled paying alot of money to buy and install this useless Equipment!!!!!

So beware Bully Dog will not help if their product does not work on your vehicle and you will suffer a great expense as I have with no recourse......