need to use hypertech power programmer III
like 50 bucks?
maybe more?
help, i have access to one but its not for my truck
need the one for a 03 tahoe 5.3 vortech
any help would be great
maybe more?
help, i have access to one but its not for my truck
need the one for a 03 tahoe 5.3 vortech
any help would be great
Huh?I doubt you can buy one. You just want a ghetto tune?
They are junk and so are the tunes in them. They cause more problems than good. Theyre only good for speedo changes and fan settings.
Diablo sport is the best IMO. Never had problems and the mild tune is always spot on.


