hey guys obviously im new to this site. this guy wants to trade my ltz400 for his 2008 kfx450r im not sure if this is a scam or not.....i have good vibes that i should though. any idea on how the kfx450r runs? power wise, suspension, and what would be the best exaust, if i get it im thinking on a yoshimura exaust. also any problems with the kfx450 that i should be worried about. thanks for reading!