I usually go to amazon, ebay, 4 wheel online, ww.stylintrucks.com and other online shops. It is better to check different stores to find the best price on a specific product. Also, Google is your friend to find the best deals on the net.
Headers provide decent hp improvement though not so cheap. About the tuners and chips, I heard different opinions on them so it's better that you research more.
I have Terra Grapplers on my rig. Have 20k on them and still have have good amount of tread and holding up real good. Hope to get 40k out of them. The reason why I bought them is the price at http://4wheelonline.com. On my next change, I'm thinking of getting the Trail Grapplers.
Thanks for the inputs guys. At first I'm hesitant about the idea of putting a body lift since others told me that it will put more stress on the body mounts and frame. Though I guess it won't affect much my rig and I don't do extreme off-roading.
Does anybody have a body lift kit on their Tacoma? How's the install and ride quality of your truck? I'm planning to buy a 3" Performance Accessories lift system at 4WO. Here's the link -- http://4wheelonline.com/LiftKits.13. I want to add a bigger set of tires on my rig so I'm thinking that...