Looks good. I think your first mods should be headers and an Overkill tune. Also check out

http://www.grandprixforums.net/ultimate-cheap-mod-thread-free-50-a-49055.html


http://www.grandprixforums.net/simple-intake-pictures-33351.html


http://www.grandprixforums.net/how-rotate-dogbone-bushing-video-72624.html


http://www.grandprixforums.net/safely-modding-your-3800-a-67580.html