=Chip=
A chip is recommended as one of the last modifications you want to do. Having it tuned is the most important part, and it will be tuned to your existing modifications. Getting a chip first, then intake, exhaust, headers, etc. means you will have to get your chip reprogrammed.
Most recommended/used:
Arizona Dyno Chip
^^^ Straight from the FAQ, read around a little bit, you'd be surprised what you can find out from just researching.
