Prolly gonna have to keep it stock, if i remember right from when i had my 450 there aint much out there in performance motor parts for the 450. But with the proper clutch sheave and spring and a cdi my 09 450 would run 42 mph all day long and would climb like a beast
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09 700 4seater, Nflow remanned motor with reverse upgrade, web cam, boared throttle body, duel muzzys with spark arrestors, MSDfuel controller. JBS Extreme2 sheave, SDR full radius cage, SDR doors, SDR long travel with summer brothers axles, Fox remote resi shocks with clickers on rears.