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 is a breeze, with no alteration of the factory wiring loom required for the models listed below.

This ECU is designed for the WRX V7-9 EJ20.

• Please check your connector matches the header in the listed photo before purchasing.
• This ECU works with manual transmissions ONLY.
• Check the features for I/O expansion options
• Most factory features are supported.
• Air temp sensor highly recommended

Suitable Applications

EJ20 engine in the GC chassis, 2.0L with cam control

G4X PlugIn Key Features (where applicable):

• Up to 6D fuel and ignition mapping
• Precision closed loop cam control (four cam, independent control)
• Sequential fuel delivery
• Digital triggering, all OEM patterns
• OEM idle hardware supported
• 5D boost control with three switchable tables
• Motorsport features - antilag, launch, flat shift
• Continuous barometric correction (on board)
• CAN port
• QuickTune - automated fuel tuning
• Individual cylinder correction
• USB tuning cable included
• Stats recording into on-board memory
• Gear compensations for spark, boost and fuel
• Real time selectable dual fuel, ignition and boost maps
• Sync and crank sensors can be a combination of Hall effect, variable reluctance or optical
• Boost control referenced to gear, speed or throttle position
• 512 MB data logging memory
• Staged injection
• Knock with "windowing"

I/O Expansion Options:

The following expansion connector inputs/outputs are provided:
Expansion connector 1

• Ign 6 - Ignition 6 Auxiliary Output
• Ign 7 - Ignition 7 Auxiliary Output
• Ign 8 - Ignition 8 Auxiliary Output
• DI 7 - Digital Input
• DI 8 - Digital Input
• DI 9 - Digital Input
• An Temp 4 - Temperature sensor input
• An Volt 11 - Analog 0-5V 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
• Volt 6 - Analog 0-5V input
• Volt 7 - Analog 0-5V input
• Volt 9 - Analog 0-5V input
• Volt 10 - Analog 0-5V input