Well, for no really good reason, I got rid of the stock shifter (which really worked just fine and was smooth and quiet) and got the tri-ax. It makes it feel very racy as it has a very machine-mechanical hard-edged feel to it- but here's what I don't like and I'm willing to bet the pro 5.0 is the same way-it transmits all kinds of tranny noise to the cabin and yeah when the radio is on it masks it, but its not a satifying noise, you know like for instance, gear drive in small block V-8. But if you want quick precise shifts, it kicks butt...If you look at the 2 close up the tri-ax looks more buff.