Gears are a good start 4.10 or better,short throw shifter,good sticky tires,31 spline axles,weld in full length SFC,C head swap,suspension upgrade,LT headers,KB 2.1 blower,nitrous or forge it and go turbo and a ski mask to rob the bank two towns over to finance it all:coolman:.
JK on the bank job. Welcome There are lots of posts here from very knowledgeable people,who can guide you on every mod possible for an SN 97 Cobra.
Fast NA 456s, short runner, good tire and short throw with some weight reduction and drive mod itll be quick..... If you have the money do a blower and supporting mods