SUBARU · DZ ECU

SUBARU IMPREZA DZ tuning files

The SUBARU IMPREZA on the DZ, mapped from stock file to finished result. The matched variants sit between 110 and 150 HP from the factory. 5 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.

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Available solutions

Applicable work for the DZ on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

5 distinct variants for the SUBARU IMPREZA on the DZ ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 150HP
Engine code: FB20
Generation: 2008-
Matched gains engine: 2.0D Boxer D 150
Controller brand: DENSO
ECU: DZ
Stock power: 150 HP
Stage 1 power: 180 HP
Power increase: +30 HP (+20%)
Stock torque: 350 Nm
Stage 1 torque: 400 Nm
Torque increase: +50 Nm (+14%)
Calibration: XH3J2B0N.HR3

Variant 2

ECU

Catalog engine: 2000 150HP
Generation: 2008-
Matched gains engine: 2.0D Boxer D 150
Controller brand: DENSO
ECU: DZ
Stock power: 150 HP
Stage 1 power: 180 HP
Power increase: +30 HP (+20%)
Stock torque: 350 Nm
Stage 1 torque: 400 Nm
Torque increase: +50 Nm (+14%)
SW upgrade: HVK400G
Calibration: HVK400G

Variant 3

ECU

Catalog engine: 2000 150HP
Generation: 2008-
Matched gains engine: 2.0D Boxer D 150
Controller brand: DENSO
ECU: DZ
Stock power: 150 HP
Stage 1 power: 180 HP
Power increase: +30 HP (+20%)
Stock torque: 350 Nm
Stage 1 torque: 400 Nm
Torque increase: +50 Nm (+14%)

Variant 4

ECU

Catalog engine: 2000 150HP
Generation: 2008-
Matched gains engine: 2.0D Boxer D 150
Controller brand: DENSO
ECU: DZ
Stock power: 150 HP
Stage 1 power: 180 HP
Power increase: +30 HP (+20%)
Stock torque: 350 Nm
Stage 1 torque: 400 Nm
Torque increase: +50 Nm (+14%)
Calibration: XH3J2B1R

Variant 5

ECU

Catalog engine: 1600 110HP
Controller brand: DENSO
ECU: DZ
Stock power: 110 HP

Related vehicles

Other vehicles built on the DZ controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SUBARU IMPREZA on the DZ?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the DZ ECU software on this model?

Yes — the SUBARU IMPREZA on the DZ ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.