What it all comes down to is. . . . if you like the way your bike runs, leave it alone. If you don't like the way it runs. . . . fix it so you do. Duh. But, one size does not fit all. I suppose it's natural for us to want everybody to think the way we do. . . . not gonna happen. I don't know if 2tall's tune gave him 51mph or not, definitively. I do know definitively that higher altitude will allow for higher mpg. (less oxygen = less fuel used) Arguing over a re-map seems pretty silly. . . . do it or don't. I love the way my motor reacts to my throttle input, makes power, and the engine braking it has, as is. Not going to change a thing. I learned my lesson with my FJ. Changed the exhaust, re-jetted, and changed the power delivery. It made more HP, but changed the rpm of where it was delivered. I liked the "pre" more than the "post" result(s). If you're on the fence, find a member who has made the change, and is willing to let you test it. That way you can make an informed decision.