well if your car is stock, youdont have to worry about tuning. look for an upgrade path, like buscherracing.com has, or another dsm tuning site, and the site can tell you good upgrades to get, and in what order. I'd say first thing you could do is exhaust and intake. dont worry about safc or injectors until you start raising the boost. a good set of injectors to start with are 550's or 650's. the hard piping is always good too.