I read the page concerning the bolt-ons that an owner could do to add power and performance to their truck, of which I've already done quite a few of these myself. However, for those of you thinking about doing that laundry list, I will pass on one word of caution that my mechanic gave me: if you're thinking about adding superchargers, etc., you had better beef up your drive train first, otherwise you'll be rebuilding later and it will be more expensive than you planned. A word I pass along for what it is worth to those of you who don't want to buy a replacement truck in the end.