Link ECU - G4X WRXLink - WRX11X Plug-in ECU

Subaru WRX & WRX STI V11 EJ20/EJ25 Turbo Plug-in ECU

Easy to install. Affordable. Reliable. 

G4X Plug-in 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.

Due to the amount of variation on this vehicle, please ensure you read the Configuration - Memo Text in the PC Link.

Designed for the WRX & WRX STI V11 EJ20/EJ25 Turbo (GR/GV/GH/GE chassis, MY2007-2011, Denso ECU from factory). All factory functions including DCCD, hill start assist, SI drive, cruise control, cam control & ABS supported. 

Note: Supports North American models with Denso ECU from late 2007-2010 only. Some North American models have a Hitachi ECU which is not supported. Check with our tech support team if you are unsure.

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

Note: This Plug-in features a new 4-pin powered CAN connector and cannot use the old CANPCB cable for CAN connection.  Use the CANJST4 (Link PN 101-0198) cable for connecting CAN devices.  This new 4-pin port and cable provide not only the CAN connection but also a protected 12V power supply and ground for powering the CAN devices.  The power supply is protected by a self-resetting fuse rated at 3A continuous.

G4X Plug-in Key Features (where applicable):

• Up to 6D fuel and ignition mapping.
• Precision closed loop cam control (four cams, independent control).
• Sequential fuel delivery.
• Digital triggering, all OEM patterns.
• OEM idle hardware supported.
• 5D boost control with three switchable tables.
• Motorsport features - anti-lag, launch, flat shift.
• Continuous barometric correction (on board).
• CAN port.
• Quick Tune - 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".

I/O Options:

The following expansion connector inputs/outputs are provided:
Expansion connector 1 
Pin 1                Aux 16
Pin 2                DI 11
Pin 3                An Temp 4
Pin 4                Knock 2
Pin 5                Injector 6