Mike,
Piece of cake if you have a jack. I to found the instructions from Brent blurry, but I meddled through just by reading the instructions.
The only problem I ran into was the crank case vent tube it is just not long enough to mount it according to the instructions.
So I routed it and mounted it under the seat.
The whole air box will slide right out the back. drop the shocks so the rear wheel drops down when you jack the bike up and remove the fender then the air box will slide out as one piece.