What's the greatest horsepower gain to a V6 with 500$ ???

[02ponypackage]

Im not to sure whats the best decision with 500 $ for the best performance gain possible.

 

[SDstangz]

E bay

 

[Stangfanatic98]

Gears/t-lok (+100 bucks more)

 

[FunkMasterFlex]

^ i agree for the most power gain that you can feel t-lok and gears is the way to go. now they techincally dont add hp but they will make your car faster and have better traction

 

[N8Miller]

a zex 75-100 shot. a 75 shot just dynoed 50HP more and like 75ft/tq yesterday on my buddies 98 with a set of longtubes, x pipe and magnaflows, CAI.