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Easy to install. Affordable. Reliable.
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential of 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.
Designed for the WRX V10 EJ25. These ECUs cover 2.5L from 2004 to 2007.
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Please check your connector matches the header in the listed photo and check the notes in italic below before purchasing.
- This ECU works for manual transmissions only.
- Air temp sensor highly recommended.
- Most factory features are supported.
- Check the features tab for I/O expansion options
Suitable Applications:
The WRX104+ mostly covered the 2004-2006 range.
The WRX107+ mostly covers the 2007 model (listed separately).
However, some 2006 models require the WRX107+
*The fastest and most reliable way to tell, is to check whether pins A1-3 are populated.
*If the pins have wires, you need the WRX104+, if there are no wires, you need the WRX107+
*Suits GD or GG chassis with electronic throttle. Not suitable for the GR/GH/GE/GV hatchback or 3rd generation WRX’s
Download Manual
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 mega bytes data logging memory
Staged injection
Knock with "windowing"
There are two different options for the expansion connectors, depending on whether your ECU is the 2004-2006 ECU or the 2006-2007 ECU.
2004-2006 ECU
The following expansion connector inputs/outputs are provided:
Blank AN Volt 11
An Temp 4 Temperature sensor input
Blank No function
Blank AN Volt 12
Blank No function
Blank No function
+5V Out Low Current +5V Supply
Gnd Sensor Ground Only
2006-2007 ECU
The 2006-2007 V10 ECU contains an 8 pin expansion connector.
The following expansion connector inputs/outputs are provided:
Aux 11 Auxiliary Output
An Temp 4 Temperature sensor input
Aux 12 Auxiliary Output
Volt 11 Analog 0-5V input
Aux 13 Auxiliary Output
DI 11 Digital Input
+5V Out Low Current +5V Supply
Gnd Sensor Ground Only
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