Here is a tune file to suit a standard SR20 engine with quad throttle bodies and custom headers
ECU: M4
Engine: SR20
Trigger Mode: Standard
Fuel: 98 pump fuel \ 3bar fixed
Compression: Standard
Cams: Standard
Inlet: Quad Throttle Bodies
Exhaust: 4 into 2 into 1
Ignition: Bosch module and dizzy
Injection: 4 X 803 injectors