We are proud to carry PROEFI as our Engine management choice.
Many advantages over other systems.
The ProEFI Pro128 Toyota Supra Plug and Play system gives the user control over the following options


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.

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.
Pro Efi Pro-Efi in Kingston NH, Plaistow NH, Exeter NH, Salem NH, Haverhil Ma, Danville NH, Bradford Ma, Brentwood NH, Epping NH, Newton NH, Rochester NH, Dover NH, Pelham NH, Nashua NH, Merrimack NH, Atkinson NH, Boston Ma. Portsmouth NH, Derry NH. Rockingham County. Bradford Ma, Burlington MA, Woburn ma,Waltham ma, Brighton Ma, Dedham Ma. Ney York NY, CT, VA, FL, CA, TX, NJ, VT, NH, MA, MASS, IL, PA,