Subaru Legacy ECU & TCU Tuning Files
Custom Subaru Legacy calibration files for approved Australian workshops — typically around +30 hp and +60 Nm. Built from your stock read and data logs, for off-road and competition use.
Subaru Legacy — Engine Variants & Typical Gains
Every Subaru Legacy file is developed from the vehicle's own stock read and your declared hardware, then refined against your data logs using ECUtek.
| Engine variant | Power (stock → tuned) | Torque (stock → tuned) |
|---|---|---|
| 2.5T GT 265hp | 266 → 296 hp | 350 → 410 Nm |
| 2.4 Turbo 260hp | 260 → 290 hp | — |
| 3.6i 256hp | 256 → 286 hp | 335 → 395 Nm |
| 2.5i 181hp | 181 → 211 hp | — |
| 2.5 170hp | 170 → 200 hp | 230 → 290 Nm |
| 2.0 D Boxer 150hp | 150 → 180 hp | 350 → 410 Nm |
| 2.0i 150hp | 150 → 180 hp | 196 → 256 Nm |
Tuned figures are typical estimates from this model's gains; actual results depend on variant, fuel and supporting hardware, and are verified from your logs.
Dyno-Verified Subaru Results
Before-and-after results from real Subaru calibrations in the tune archive.
Subaru Legacy Tuning Files — Common Questions
How much power can a Subaru Legacy gain from tuning?
Typical gains for the Subaru Legacy are around +30 hp and +60 Nm, developed from the stock read and verified against your data logs. Exact figures depend on the variant, fuel and supporting hardware.
Are Subaru Legacy tuning files custom?
Yes — every Subaru file is built for the specific vehicle and its declared hardware using ECUtek, then refined from your logged data. We do not supply generic, off-the-shelf maps.
Do you supply Subaru Legacy 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.
Tuning a Subaru Legacy?
Register your workshop to upload the stock read and have the calibration developed and revised around your data.
