Complete Elite Control for the Bugeye/Blobeye
The Elite 2500 Plug ‘n’ Play Adaptor Harness Kit is the comprehensive engine management upgrade for the Subaru GDB WRX (MY01-05). This kit includes the flagship Elite 2500 ECU and the specific adaptor harness required for the cable-throttle EJ20 engines found in these models.
Advanced EJ20 Management
Replacing the aged factory ECU with the Elite 2500 opens a new world of tuning possibilities. Features like 4D boost control, closed-loop fuel control with long-term learning, and advanced knock protection ensure the engine performs safely at higher power levels. The kit supports Flex Fuel integration and allows for the removal of the sensitive factory MAF sensor in favor of a robust Speed Density setup.
Fitment Guide
Vehicles: Subaru WRX GDB (MY01-05), STI (JDM/ADM MY01-05)
Throttle: Non-Drive-By-Wire (Cable Throttle) Only
Transmission: Manual Only
Technical Specifications
| ECU Model | Haltech Elite 2500 |
| System Type | Plug ‘n’ Play Kit |
Summary & What’s Included
The ultimate ECU package for the GDB WRX.
Includes:
- Elite 2500 ECU
- Adaptor Harness
- Air Temp Sensor
- USB Cable








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