Freakingstang
Doctor Freakinstein
The 372XP is easier to modify. Simple muffler, simple carb, easy to modify jug and piston.
The 575 with it autotune carb thingy is not going to be easy to modify for a while. Also the 575 is considerably heavier
he meant differences in the 70.7cc version and 74.5 version. He already ruled out the 575