^^^^ I liked excel in the pd. It is very comfortable. However, if tension falls to low it gets too springy.
FXP at 54 should be about right. Yes it seemed to be a very low powered multi. Evidently it is a co-poly core wrapped with syn fibers, so that would explain it. I also agree that the fxp tour does not have that trampoline affect.
vcore 97 tour 310 / EXO3 100 Tour 16x18 / Ezone XI 100
Yonex poly tour pro 125