I personally think the most benefit comes from a proper set-up suspension. If this is a bike you plan on keeping for awhile, you will not regret it. MX-Tech advertises on this board, give them a call. Contrary to popular belief, the stock exhaust is not bad, the Thumper insert will help a little. Other than that, save your money for things like good bars, air filter,tires, oil, and quality riding gear. A nice tool set is alway's a good investment, as well as a fanny pack. Then ride, and ride, and ride, and ride.