SUBARU · SH27531 ECU

SUBARU OUTBACK SH27531 tuning files

The SUBARU OUTBACK on the SH27531, mapped from stock file to finished result. Across the matched variants stock power runs from 170 to 170 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All OUTBACK coverage Custom ECU tuning file service

Available solutions

What we can run on the SH27531 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

13 distinct variants for the SUBARU OUTBACK on the SH27531 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4GE00c
Calibration: EB4GE00c

Variant 2

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1W310k
Calibration: EA1W310k

Variant 3

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4G400C
Calibration: EB4G400C

Variant 4

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4G401C
Calibration: EB4G401C

Variant 5

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4G400B
Calibration: EB4G400B

Variant 6

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4I500C
Calibration: EB4I500C

Variant 7

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4I310B
Calibration: EB4I310B

Variant 8

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4I560C
Calibration: EB4I560C

Variant 9

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4I310C
Calibration: EB4I310C

Variant 10

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4I501C
Calibration: EB4I501C

Variant 11

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4I503C
Calibration: EB4I503C

Variant 12

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4S100C
Calibration: EB4S100C

Variant 13

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EB4P001U
Calibration: EB4P001U

Related vehicles

Other vehicles built on the SH27531 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SUBARU OUTBACK on the SH27531?

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

Do you cover the SH27531 ECU software on this model?

Yes — the SUBARU OUTBACK on the SH27531 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.