ppl can say an auto is worse for power..manuals are funner to drive and you can rip on them w the rev, corner pulls and "free shifting" but if you compare an auto vs stick on a drag...both stock or both upgrades the auto will always win..there is a proper way to drive an auto however if done correctly the auto will always win due to faster shifting..on the street, a stick will kick an autos ___ due to down shifts, double clutches and allt he wheel spin tricks you can perform..as for power upgrades, listen top what the others have to say..they seemed to cover it all