where can i find a shorter axle for 09 yfz 450R?

[blackYFZ450]

havent been able to find where i can buy a shorter axle for the new yfz 450R?? i am going to race it in the woods so i need to narrow the bike a little bit?

[lwrider20]

lonestar makes one that goes from stock to -3

[daddio]

Put regular YFZ hubs on it. That will narrow it about 2".