Link G4X WRXLink WRX9X Plugin ECU
#229-4000
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximise your car’s potential. This ECU fits inside the factory OEM enclosure. Installation is straightforward, with no alteration to the factory wiring loom required for the models listed below.
Designed for the WRX V7-9 EJ20.
- Please check your connector matches the header in the listed photo before purchasing. This ECU fits 5 Plug ECUs.
- This ECU works for manual transmissions only.
- Air temp sensor is highly recommended.
- Most factory features are supported.
- Check the features tab for I/O expansion options


