Ive got an 07 busa and a 04 fxsti with cams , big bore ,
heads worked,pc3 vance and hines short shorts and compared to the busa its well... A tractor. Its like riding my lawn mower to work.
The busa rides like a dream, The way a hd is supposed to . I can ride the hd for a few hours w/ a back brace and still get a sore back, I can ride the busa for an all day ride and only get a sore butt. If you support yourself by holding yourself up with your back mussles and lightly hold the grips and not lean on your wrists its almost a perfectly neutral sitting position.
And power, Forget about it. Its like night and day.. on the suns surface. Bone stock its a evil machine with less than 1000 in mods and its a custom tailored caddilac surface to surface missle.
Why do I keep the hd, Simple my little girl loves to go for rides and Im way, way to afraid to put her on the back of the busa. Hell, the front seat is scary enough.