Subaru WRX & STI V10 (2004-2006) Link G4X Plug In ECU
Subaru WRX & STI V10 (2004-2006) Link G4X Plug In ECU

Subaru WRX & STI V10 (2004-2006) Link G4X Plug In ECU

Regular price $2,587.50 Sale

This is the latest Link G4X Subaru WRX & STI V10 (06-07)Plug-in ECU.

Designed for the WRX V10 EJ25. This ECU covers 2.5L from 2004 to 2006. 

  • 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.   

Suitable Applications:
The WRX104+ mostly covered the 2004-2006 range. 
The WRX107+ mostly covers the 2007 model.
 
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

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" 

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 

    Link G4X ECUs do not require the use of an air flow meter. The engine can be converted to speed density using  MAP sensor and an intake air temperature (IAT) sensor ( air temp sensor sold separately ) 

    If you are wanting more boost than the OEM 2 bar map sensor, We can provide a 3 or 4 Bar sensor at extra cost.

    The G4X Subaru WRX & STI V10 plug-in ECU comes with a non-engine-specific base map. The ECU will need to be configured for the engine type and then tuned by a professional. The ECU comes with free PCLink software.

    We can also provide the following with your new Link ECU at an added cost:
    - Fuel System Upgrades
    - Turbosmart Wastegates, Blow off valves and Fuel Pressure Regulators
    - Boost Control Solenoids
    - Dyno Tuning
    - Engine sensors and plugs etc
    - Full Link ECU engine wiring installation available at an extra cost