Subaru ECU & TCU Tuning Files
Subaru's boxer turbo engines — the EJ20 and EJ25 in the WRX and STI, and the FA-series in the newer WRX and BRZ — are calibration favourites, and ECUtek is the platform the scene is built on. We develop custom Subaru ECU files for flat-four turbo and boxer builds from the stock read and your logged data, with knock and fuelling verified on data.
Custom Calibration, Built to Your Data
Every Subaru file is developed from the vehicle's own stock read and your declared hardware, then refined against your data logs — not a generic off-the-shelf map. We calibrate using ECUtek.
Platforms
Services
Subaru Models We Tune
Typical gains by model — confirm your exact variant and ECU in the Subaru vehicle database.
| Model | Fuel | Power (stock → tuned) | Typical gain |
|---|---|---|---|
| Subaru WRX | Petrol | 304 → 359 hp | +55 hp · +60 Nm |
| Subaru Forester | Petrol | 241 → 281 hp | +40 hp · +60 Nm |
| Subaru Impreza | Petrol | 300 → 335 hp | +35 hp · +60 Nm |
| Subaru Levorg | Petrol | 275 → 307 hp | +32 hp · +50 Nm |
| Subaru Legacy | Petrol | 266 → 296 hp | +30 hp · +60 Nm |
| Subaru Liberty | Petrol | 295 → 325 hp | +30 hp · +60 Nm |
| Subaru Outback | Petrol | 260 → 290 hp | +30 hp · +50 Nm |
| Subaru XV | Petrol | 156 → 186 hp | +30 hp · +50 Nm |
| Subaru Trezia | Petrol | 90 → 115 hp | +25 hp · +55 Nm |
| Subaru Tribeca | Petrol | 257 → 275 hp | +17 hp · +20 Nm |
| Subaru BRZ | Petrol | 233 → 248 hp | +15 hp · +15 Nm |
| Subaru Ascent | Petrol | — | — |
Dyno-Verified Subaru Results
Before-and-after results from real Subaru calibrations in the tune archive.
Subaru Tuning Files — Common Questions
Do you supply Subaru tuning files Australia-wide?
Yes. Subaru ECU and TCU files are delivered remotely through the dealer portal to approved workshops in every Australian state and territory, for off-road and competition use.
Which Subaru models do you tune?
The Subaru models in our catalogue are listed on this page with typical gains; the full, filterable list is in the vehicle database. If your exact model is not shown, ask — coverage is wider than the published catalogue.
What do you use to calibrate Subaru?
Custom calibrations built from the vehicle's stock read and refined against your data logs, using ECUtek. We do not supply generic, off-the-shelf maps.
Are Subaru tuning files custom?
Every file is developed for the specific vehicle and its declared hardware and verified from your data logs before sign-off.
Tuning Subaru?
Register your workshop to upload Subaru reads and have the calibration developed and revised around your data.
