SKU: 227-4000
WRXLink (3-4) - WRX4X
$1,495.00Price
The WRXLink (3-4) - WRX4X is a high-performance plug-in ECU engineered for Subaru WRX/STI V3-4 EJ20 engines. This unit integrates seamlessly into the factory OEM enclosure, requiring no modification to the original wiring loom. It supports manual transmissions and offers advanced capabilities, including 6D fuel/ignition mapping, precision closed-loop cam control, and sequential fuel delivery. The unit includes 512MB of onboard data logging and extensive expansion options for additional sensors. An air temperature sensor is highly recommended for optimal operation. This ECU requires a specific modification if E-Throttle functionality is desired. For optimized performance, pair this unit with a custom etune from Migtuned, tailored to your vehicle's specific year and model: https://migtuned.com/.
| Compatibility | Subaru WRX/STI V3-4 (1996-1998) |
| Transmission | Manual only |
| Installation | Plug-in (fits factory OEM enclosure) |
| Fuel Mapping | 6D fuel and ignition mapping |
| Cam Control | Precision closed loop (four cam) |
| Data Logging | 512 MB memory |
| Communication | CAN port, USB tuning |
| Expansion | XS connector 1 & 2 inputs/outputs |
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