Subaru Impreza 2003 - 2005 2.0T WRX STi 265hp Chip Tuning · Stage 1
Power goes from 265 bhp to 295 bhp — a gain of +30 bhp (11%). Torque rises from 340 Nm to 400 Nm.
Figures are typical ranges; exact results depend on the vehicle's hardware and dyno measurement.
Get a Quote
Subaru Impreza 2003 - 2005 2.0T WRX STi 265hp
Book an appointment Find a centreReversible: Yes, the original software is kept
Subaru Impreza 2003 - 2005 2.0T WRX STi 265hp — Stage 1 Remap
Stage 1 re-calibrates the ECU software — boost, fuelling and ignition maps — within the factory hardware's safe tolerances. No hardware changes are required.
Stage 1 Remap
Software that optimises the engine's power and torque maps within safe limits.
Stage 2 Remap
Advanced software matched to hardware upgrades such as a sport exhaust or induction kit.
Pop & Bang
Software that creates exhaust crackle on lift-off.
Speed Limiter (Vmax) Removal
Removing the factory top-speed limiter from the software.
DTC / Fault Code Removal
Switching off selected diagnostic trouble codes (DTC) in the ECU software.
Subaru Impreza — Power Calculator
| Engine | Power | |
|---|---|---|
| 2.0T WRX 225hp | 225 → 260 bhp | +35 bhp |