Dan the VA box served its purpose, used it a long time before changing out my tranny( Stock tranny was still in good shape). The EZ Comp is great. My power is a lot better of course and my fuel mileage seems better on the high settings if I keep my foot a little off of the floor.

Gene

 

hey guys i have a cousin who has a duramax and i have a edge juice box that will fit it but he went and bought a superchips tuner for it. can the edge be added as well? and if so will it make a difference?