im aint happy with my extreme it still surges and i get no help from the hot line

my gf just bought a 6.0 and she wants to use my programmer but it wont accept her truck after mine is stock..... is it locked and how do i unlock it....

U7165 for a 6.0 powerstroke I just done think its right for my truck ill sell it cheap

my predator has 3 tunes plus original back up and i bought the predator used can people help me out on what i should do to get a more powerful tune because my diablo extreme tune is still not compared to a stock 6.4

i got a 6.0 with a predator what can i do with the trinity on that i have no clue what i can do please help i want my truck to have more grunt and i dont want pillar gauges or do i have to have the powerpuck

hello might be a little late but i just tried the predator i love it what about a trinity