Alright guyz here is the question that every 1 hate. I got an 08 silverado b4 3 days and im getting a tune a the end of this week so i need to know which is the best hand held tunes. i was going to buy an edge evolution but i stopped i said i will ask u guyz b4 i get a tune maybe the predator is better or if there is an sct as well.

Need help fast the tune will take for about a month to reach here so i need to order fast.