Ok, I'm new to the world of Diablosport. I have a friend who suggested I try one, so I went ahead and bought this product. I have tried all three stock tunes and the only one that causes issues is the 85hp tune. It installed without any trouble, but after running the truck for less than a mile the ...

Hey guys, I just bought a Predator from an online dealer partly because he assured me that I could calibrate the speedometer by changing the tire size in the pcm by using this unit. It seems by reading some of the forum posts the only thing I can do is change the shift points for better response ...