As far as I knew the headers alone give about 20 at the wheels, udp gives about 5, exhaust gives about 5 or 10... MSD doesn't help power but it helps rpms... I was thinking along the lines of 30+ at the wheels. I'm gonna get it dyno'd anyways. As of now, it has a poor tune, about 10K old... and then the new dyno will be w/ all the upgrades, a big tune, and the 120K tune.
sorry man but that is some really really hopefull thinking
i'd say exhaust (headers, dp, catback) will get you 5-15 at the wheels
aftermarket ignition does nothing to a NA engine, maybe if your runnin nitrous/turbo/S-C you may see some small gains but stock is just as good as aftermarket