For the track
!. Brake Fluid flush and replace Motul
2. SS Brake lines
3 Floating or Euro rotors New Pads
4. Seat time
5. Seat time
And more seat time. Save the R-Compounds until you are at the limit on street tires. The GS take offs are a great deal and are made by Hoosier.
No to the harness with out a roll bar
Stay between the ditches keep the dirty side down and have a blast.
I WOULD TRADE IT ALL FOR JUST A LITTLE MORE