I don't know about 5k.. But I bought my 09 in the spring of 11 with 800 on it and I havent changed it yet, but I don't beat on it and i'm only at 3500 now. I am def planning one for first thing this spring though..
Two Bros. Full carbon Black series exhaust K&N Air Filter
Two Bros. Juice box Hot Bodies Flush Mount LED Turn signals
Tripage Integrated LED Fender Eliminator Zero Gravity Double Bubble Windscreen LED Under Body Light Kit