I own both. An '00 350 and an '06 450.
Short of it.. The 450 is garbage.. Sorry to say it, I race the 4x4 lites class in Atlantic Grand Prix, and some GNCC's, and I've just been replacing parts on the 450 left and right (3 tie rods, 3 a-arms, wheel bearings, 2 steering stems, and just...