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996

The Porsche 996 Turbo 6spd. This car at it’s current market price is the best bang for the buck in our opinion! With it’s factory engine able to support up to 900whp safely, this kit is the perfect package for upgrading your Porsche 991 Turbo! With plug and play installation and complete control over the factory dash with all factory functionality being maintained (even Cruise control remains functional)!


  • This Dyno Graph is from a stock engine 2003 996 Turbo S. This car had upgraded 55/58 turbos, upgraded fuel system and injectors, an exhaust, and a clutch. Running Flex Fuel with a Pro112 at the controls, this dyno run was made with a 60% mix of Ethanol, at just 21psi of boost with lots more left on the table!

    The ProEFI Pro128/Pro112  Plug and Play system gives the user control over the following options
  • Dash Control – All gauges and lights controlled by the OEM ECU are now controlled by the ProEFI ECU
  • Tachometer – Will also display current launch RPM, Main RPM limit, and I-Boost Setting when the appropriate button is depressed at a stop.
  • Cruise Control – Maintains Cruise Control operation plus added features using these buttons
  • 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) Can be controlled using the Cruise Control Buttons as well
  • 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.
  • Manual transmission Gear position indicators and clutch slip calculations
  • 2 channel Knock control with knock windows and true knock frequency filtering
  • Direct Fire Ignition – No wasted spark!
  • 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 – Utilizes the stock switches and indicator lights for differential wheel speed front to rear.
  • 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

Porsche 996 Stock vs ProEFI ECU