Cool I've been thinking about doing that just not sure if it's worth the $400 do you have any experience with those and there's so many different ones I'm not sure which one I would use .the bikes definitely worth putting the money into it I only gave three hundred bucks for it all I had to do was cleaned out the carburetors put a CDI box and a regulator rectifier on it oh and tires . The only mods I've done are I went up 4 teeth on the back sprocket and it has a 4in1 Vance & Hines pipe and a stage 2 jet kit thanks (wraith)