Link ECU | G4X WRXLink (V10) | WRX107X | Plug - In

Link ECU 225-4000

( 225-4000 )


Used for: Tuning the EJ25 engine commonly found in the Subaru WRX V10 [107x].

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Link Engine Management Logo | LINK ECUS IN ESSEX

Link ECU | "G4X WRXLink V10 WRX107X"

  • Designed for: Subaru WRX Version 10 | EJ25 Engine.
    Note: These ECU's cover 2.5L from 2004 - 2007.
    Full list of suitable applications below.
  • The G4X WRXLink V10 WRX107X is a Plug-In ECU developed by Link Engine Management, designed to maximise the potential of your car.
  • Link's WRX107X ECU fits directly into the factory location, requires no alteration of the factory wiring loom / harness, and is designed to be simple to install.
  • This ECU works for manual transmissions only.
  • An Air Temperature Sensor is highly recommended for use with this product.
  • WRXLink V10 WRX107X supports the following vehicles:
    The WRX107X covers mostly the 2007 Model.
    The WRX104X covered the 2004 - 2006 Model.
    Note: Some 2006 models require the WRX107+. The most reliable way to tell is to check whether pins A1-3 are populated. If the pins have wires, you need the WRX104X. If there are no wires, you need the WRX107X.


Features | "G4X WRXLink V10 WRX107X"

NOTE: There are two (2) different options for the expansion connectors, depending on whether your ECU is the 04-06 ECU or the 06-07 ECU. Unsure? Get in touch with us below.

2004 - 2006 ECU:

  • 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 06-07 v10 ECU contains an 8 pin expansion connector.

  • GND | Sensor Ground Only
  • +5V OUT | Low Current +5V Supply
  • 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

G4X Plug-In Features:

  • Up to 6D Fuel & Ignition Mapping
  • Precision Closed Loop Cam Control (Four Cam | Independent Control)
  • Sequential Fuel Delivery
  • Digital Triggering, all OEM Patterns
  • 5D Boost Control
  • OEM Idle Hardware Supported
  • Motorsport features; Anti-Lag, Launch Control, Flat Shift
  • Continuous Barometric Correction [on board]
  • CAN Port
  • QuickTune - Automated Fuel Tuning
  • Individual Cylinder Correction
  • USB Tuning Cable included
  • Records into On-Board memory
  • Gear Compensations for Spark, Boost and Fuel
  • More...

Full Specification [Link ECU] 

Link ECU Supply, Installation & Calibration:

  • Redline Tuning can supply, install & calibrate both the Link G4X WRXLink V10 WRX107X ECU or any other Link Engine Management Product currently available in Essex, London and the South East of England.

Contact Redline Tuning 

Important Notes:

  • Please double check / cross reference your existing ECU's pinout with the images we have provided, to ensure connections are correct.

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  • Please note that we do not carry stock for all Link Engine Management products. If we do not have an item in stock it will be ordered for you, please allow up to 2 extra business days for us to process your order. If you need an item urgently, or would like to know if an item is in stock, please contact us here
  • Prices shown do not include VAT, this will be calculated and added at checkout for UK customers.
  • For international customers, sales tax will not be charged at checkout. You will be responsible for the VAT equivalent wherever you live. This will be charged by the courier prior to delivery. We have zero control over these charges and they vary by the destination country. We advise that you check before ordering if you are unsure.
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