Link G4X WRX107X Plug-In ECU – Subaru WRX V10 EJ25 (2007, Some 2006 Models)

Easy to install. Affordable. Reliable.

The Link G4X WRX107X Plug-In ECU offers the latest in engine management technology, designed to maximize the potential of your Subaru WRX V10 EJ25. This plug-and-play ECU installs inside the factory OEM enclosure, requiring no alteration to the factory wiring loom for supported models.

Compatible Models

• Subaru WRX V10 EJ25 – 2007 (GD/GG chassis, electronic throttle)
• Some late 2006 Subaru WRX models – confirm by checking pins A1-3

*Not suitable for GR/GH/GE/GV hatchback or 3rd generation WRX models.

Model Identification

• If pins A1-3 are populated → you need the WRX104X
• If pins A1-3 are NOT populated → you need the WRX107X

Included in the Box

• G4X WRX107X Plug-In ECU
• USB tuning cable
• Link ECU stickers

Key Features

• Up to 6D fuel and ignition mapping
• Precision closed-loop cam control (four cam, independent)
• Sequential fuel delivery
• Digital triggering, all OEM patterns
• OEM idle hardware supported
• 5D boost control with three switchable tables
• Motorsport functions: antilag, launch control, flat shift
• Continuous onboard barometric correction
• Two CAN bus channels
• QuickTune automated fuel tuning
• Individual cylinder correction
• 512MB onboard data logging
• Knock control with "windowing"

I/O Expansion Options

2004-2006 ECU:

• AN Volt 11
• AN Temp 4 (temperature input)
• AN Volt 12
• +5V Out (low current supply)
• GND (sensor ground)

2006-2007 ECU:

• Aux 11 (aux output)
• AN Temp 4 (temperature input)
• Aux 12 (aux output)
• AN Volt 11 (0-5V input)
• Aux 13 (aux output)
• DI 11 (digital input)
• +5V Out (low current supply)
• GND (sensor ground)

Downloads

• 📘 Specifications
• 🛠️ Installation Manual
• 🧰 Wiring & Pinout

For more Subaru ECU options, visit our Subaru Plug-In ECU Collection.