well, once again...Im lookin for more speed and more power.

Gettin a NX 100 shot for the stang
BUT.....
also wanting more constant power for just driving on the street. What can i do next? already have gears, which made a HUGE difference but what next? what can be added for additional power to make my car quicker on its feet? Besides a supercharger and a bigger shot? i unfortunatly dont have 5 grand to spend.