I'm gonna say you are asking for what mods or you just don't know one.
Here is the run down on the car..
1988 mustang gt 5speed, port and polished e7 heads,
Port and polished cobra lower intake with port and
Polished downs upper intake, b303 cam, 75mm
Throttle body, car is converted to mass air, bbk cold air,
24lb injectors, new t5 Trany with pro 5.0 shifter
Bbk headers offroad h pipe with flowmasters.