ProEFI offers a plug and play solution for the Subaru STI:

• Fuel
• Ignition timing
• I-Boost Control (5 stages of boost curves that can be selected to be targeted against Vehicle Speed, Time, or Flex Fuel input)
• Flex Fuel (ability to run any mixture of E85 with the ECU making on the fly adjustments to boost, spark, and fueling based on Ethanol content).
• Antilag Boost control – 5 different target boost levels
• TwoStep Launch Control – 5 different target RPM’s
• Hi/Low Octane switch – Allows the user to easily change the calibration to run pump gas and race gas settings
• Nitrous Control – up to 4 stages
• Control multiple fuel pumps in stages for easier fuel pressure control at lower flow demand
• Automatic Transmission control with converter slip calculations to help with converter selection and seemless converter lock up engagement.
• 2 channel Knock control with knock windows and true knock frequency filtering
• Fuel Pressure Feedback and fault control to monitor proper fuel delivery to prevent engine damage due to fuel system failure
• Oil Pressure monitoring to alert when low oil pressure conditions occur
• Radiator Pressure monitoring to warn for excessive coolant pressure in case of a weak head to cylinder block seal, or cracked cylinder.
• Traction Control
• Closed Loop O2 Feedback with Internal Wideband O2 sensors
• Multiple Fault Management strategies to save the engine and alert the driver incase of sensor failure or tuning errors
• CAN Display connectivity – 52mm Can Gauge, and 4.5 x 4.5″ CAN display.
• Meth injection – ability to control methanol injection and tune appropriately for it