FMF gnarly pipe, repack you turbinecore, Vforce 3 reed block, or Moose torque spacer and new reeds, you might also want to add a little wieght toi your fly wheel. (oz should be good for moto.. It'll give you a ton of bottom, almost like, dare I say, a fourstroke 250, and still rev out to the moon. you should also have your suspension serviced.