The transmission wasn't shifting a lot , but I didn't have the cruise on like I normally do. When more power was needed it didn't take much effort on the pedal.
I used the handheld.
I got the stage 1 only.
So I have the Vivid Racing tune on my 19 SR5. We recently went on a 1200 mile trip. Part of the trip is thru the hills. Drive ability was great. I didn't feel like I had to slam the peddle to get up to speed. At the times I needed to speed up or pass I gave it some more and it picked up...