I have a blaster and they are great . go to http://www.blasterforum.com/ for all the information you could ever want !! my blaster has burgard +2 +1 a arm, elkas up front, works rear shock , lsr axle , RAD axle carrier , uni filter , vforce 3s, 35 mm keihn , kennedy powersports trail port and kennedy powersports machined head , shearer exhaust . it runs great !!! obviously you would want a race port for mx and maybee a diff pipe. hoped i helped btw everyone this is my first post on this site i go by the same name on blaster forums . i plan on getting a shee this year .