hi i have a 03 blaster i put on a fmf pipe and jet the carb.and i put a k&n air fliteri was thing on buying avitos big bore kit. do i have 2 change other things.

 

Call Vito's and ask them, since you are going to purchace there kit then get there advise on what other changes are needed to make it work.

I also use Vito's for a lot of my two-stroke rebuilds, you can't go wrong.