SUBARU · SH72543 ECU

SUBARU IMPREZA SH72543 tuning files

Everything we work with on the SUBARU IMPREZA fitted with the SH72543. Across the matched variants stock power runs from 270 to 290 HP. 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 SH72543 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

25 distinct variants for the SUBARU IMPREZA on the SH72543 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 290HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 290 HP
Calibration: LF78103B

Variant 2

ECU

Catalog engine: 2000 290HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 290 HP
Calibration: LF78102B

Variant 3

ECU

Catalog engine: 2000 290HP
Engine code: FA20DIT
Controller brand: HITACHI
ECU: SH72543
Stock power: 290 HP
Calibration: LV9N301E

Variant 4

ECU

Catalog engine: 2000 270HP
Engine code: FA20DIT
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
ECU HW: 33920-82J2
Calibration: LV9N101E

Variant 5

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF9C100R

Variant 6

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75402H

Variant 7

ECU

Catalog engine: 2000 270HP
Engine code: FA20DIT
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
ECU HW: 33920-82J2
Calibration: LF9D010H

Variant 8

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF9C000R

Variant 9

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF9C300P

Variant 10

ECU

Catalog engine: 2000 270HP
Engine code: FA20DIT
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
ECU HW: 33920-82J2
Calibration: LF75300H

Variant 11

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75301J

Variant 12

ECU

Catalog engine: 2000 270HP
Engine code: FA20DIT
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
ECU HW: 33920-82J2
Calibration: LF75301L

Variant 13

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP

Variant 14

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75403H

Variant 15

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75300K

Variant 16

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75402S

Variant 17

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75300G

Variant 18

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF9C001P

Variant 19

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LV9N101D

Variant 20

ECU

Catalog engine: 2000 270HP
Engine code: FA20DIT
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
ECU HW: 33920-82J2
Calibration: LF75300J

Variant 21

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75401J

Variant 22

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LV9N100F

Variant 23

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF9C001K

Variant 24

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75401N

Variant 25

ECU

Catalog engine: 2000 270HP
Controller brand: HITACHI
ECU: SH72543
Stock power: 270 HP
Calibration: LF75300L

Related vehicles

Other vehicles built on the SH72543 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 SH72543?

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

Do you cover the SH72543 ECU software on this model?

Yes — the SUBARU IMPREZA on the SH72543 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.