Well, I would not say it's "not" worth it, it's just a matter of what you expect from it. On a stock truck, you won't see a big HP gain. But with the stuff that we do with the trans settings, it definitely will give you a noticable feel. Plus we can shut off the speed limiter. Just FYI.
It's $299 for a single program chip. It's not going to give you a "huge" difference, but I do rework some of the trans stuff, and that in itself can make the truck pull better. But you're not going to get 20rwhp from a tune on a stock type truck.