Easy to install. Affordable. Reliable. G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car. This ECU fits inside the factory OEM enclosure. Installation of the processing unit is a breeze, with no alteration of the factory wiring loom required for the models listed below. This ECU is designed for the Vr4 4G63T engine. Please check your connector matches the header in the listed photo before purchasing. This ECU works for manual transmissions only. Includes onboard 4 bar or 7 bar MAP sensor. Knock control not available on this ECU. Most factory features are supported. Check the features tab for I/O expansion options of the input and output units. This ECU will need a modification before E-Throttle is usable. Suitable Applications of 223-4000 - Automotive Computer Unit: Mitsubishi Galant VR-4 E38A (1987-1992) with 4G63T engine Mitsubishi Galant VR-4 E39A (1987-1992) with 4G63T engine 1G DSM with 4G63T engine G4X PlugIn Key Features (where applicable):Up to 6D fuel and ignition mappingPrecision closed loop cam control (four cam, independent control)Sequential fuel deliveryDigital triggering, all OEM patternsOEM idle hardware supported5D boost control with three switchable tablesMotorsport features - antilag, launch, flat shiftContinuous barometric correction (on board)CAN portQuickTune - automated fuel tuningIndividual cylinder correctionUSB tuning cable includedStats recording into on-board memoryGear compensations for spark, boost and fuelReal time selectable dual fuel, ignition and boost mapsSync and crank sensors can be a combination of Hall effect, variable reluctance or opticalBoost control referenced to gear, speed or throttle position512 mega bytes data logging memory within the storage unit. Staged injectionKnock with "windowing"I/O Expansion OptionsThe following expansion connector inputs/outputs are provided: Expansion Connector 1 Gnd Sensor Ground Only +5V Out Low Current +5V Supply DI 6 Digital Input for switching functions. An Volt 5 Analog 0-5V input An Volt 6 Analog 0-5V input An Temp 3 Temperature sensor input Expansion Connector 2 Gnd Sensor Ground Only +5V Out Low Current +5V Supply Aux 9 EThrottle - can't be used as an Aux out Aux 10 Auxiliary Output An Volt 6 Analog 0-5V input An Volt 7 Analog 0-5V input An Volt 9 Analog 0-5V input An Volt 10 Analog 0-5V input Download Manual from Link EcuClick here 🎁 BONUS — FREE Remote Setup Support ($297 Value) When you purchase from Kugan Tuning, you also receive: • Remote ECU flashing assistance• Basemap selection guidance• Startup and sensor verification• Professional tuning support This ensures your car starts, idles, and runs correctly the first time — helping you avoid costly mistakes and wasted dyno time.