finished most of my mods i have to get 1 more part and that is a 13 tooth c/s.. and i should be good for a while.. the mods i did so far were:

dyno jet stage 2 (2152) 128main. stock pilot as per dyno..
power core4 fhm slip on
crank case breather
removed all smog stuff
removed 50% of the screen mesh in the air box
twin air filter
modified air box removed the snorkel and made a little deflector
also removed other meaningless stuff like kickstand safety switch,blinkers, removed most of the back fender stuff. (by the way i ride strictly dirt)..