Subaru Trezia ECU & TCU Tuning Files
Custom Subaru Trezia calibration files for approved Australian workshops — typically around +25 hp and +55 Nm. Built from your stock read and data logs, for off-road and competition use.
Subaru Trezia — Engine Variants & Typical Gains
Every Subaru Trezia 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) |
|---|---|---|
| 1.4D 90hp | 90 → 115 hp | 205 → 260 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 Trezia Tuning Files — Common Questions
How much power can a Subaru Trezia gain from tuning?
Typical gains for the Subaru Trezia are around +25 hp and +55 Nm, developed from the stock read and verified against your data logs. Exact figures depend on the variant, fuel and supporting hardware.
Are Subaru Trezia 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 Trezia 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 Trezia?
Register your workshop to upload the stock read and have the calibration developed and revised around your data.
