CHIP TUNING · SUBARU

Subaru chip tuning with Softechpro V5

Softechpro V5 supports the full range of Subaru engine ECUs — diesel and petrol, OBD-flashable and bench-mode — covering DTC OFF, EGR OFF, DPF OFF, AdBlue OFF, Catalyst OFF, and Stage 1 / 2 / 3 tuning. Off-road and motorsport use only.

Subaru ECU families supported

Common ECU families found across Subaru WRX · STI · BRZ engines:

Denso 275800SH7058

Softechpro identifies the firmware revision automatically when you drop the Subaru .bin / .ori / .hex / .s19 / .frf onto the workspace. Bench-mode files (MG1 / MD1 / MEDC17) are decrypted in place.

Services available for Subaru

DTC OFF EGR OFF DPF OFF AdBlue OFF Catalyst OFF Stage 1 / 2 / 3 IMMO OFF Pop & Bang

Each service patches the calibration directly in the bin file. The Softechpro patcher then recomputes the Subaru-specific checksum (Bosch CRC for EDC15/16/17, Delphi sum, Siemens hash) so the file flashes back without integrity failure.

How to tune a Subaru ECU with Softechpro V5

  1. Read out the Subaru ECU via OBD or bench (KESS3, AutoTuner, MPPS, Trasdata, Flex, FRF flasher).
  2. Open Softechpro V5 and drop the .bin onto the workspace. Softechpro auto-identifies the Subaru ECU family from the header / signature.
  3. Pick the service you need — DPF OFF, EGR OFF, AdBlue OFF, Stage 1-3, etc.
  4. Hit Save patched .bin. The checksum is recomputed automatically.
  5. Flash the patched file back via your existing flasher. Subaru adaptation reset may be needed via the OEM scan tool.

Subaru models in our catalog

Baja 2.5 H4Bighorn 3.0d V6Bighorn 3.1 TDIBighorn 3.2 V6 EFIBighorn 3.5 DOHCExiga 2.0Exiga 2.0 TurboForester 2.0Forester 2.0Forester 2.0Forester 2.0 TurboForester 2.0 TurboForester 2.0DForester 2.5Forester 2.5 TurboImpreza GR 1.5 RFImpreza GR 1.5RImpreza GR 1.6iImpreza GR 2.0 TDIImpreza GR 2.0DImpreza GR 2.0iImpreza GR 2.0RImpreza GR 2.5 WRX STIImpreza I 1.6Impreza I 1.8Impreza II 1.6Impreza II 2.0Impreza III 1.5Impreza III 1.8Impreza III 2.0Impreza III 2.2Impreza IV 1.5Impreza IV 1.8Impreza IV 2.0Impreza IV 2.2Impreza Renta 200R 1.5Impreza Renta 200R 1.6Impreza Renta 200R 2.0 TurboImpreza V 1.5Impreza V 1.8Impreza V 2.0Impreza V 2.2Impreza V 2.5Impreza VI 1.5RImpreza VI 1.6Impreza VI 1.6 GTSImpreza VI 1.8Impreza VI 2.0Impreza VI 2.0Impreza VI 2.0 GXImpreza VI 2.0 WRXImpreza VI 2.0RImpreza VI 2.2Impreza VI 2.5Impreza VI 2.5 WRXImpreza WRX STI 2.0Impreza WRX STI 2.0 Turbo DCCDJusty G3X 1.3Justy G3X 1.5Justy II 1.3

Full vehicle catalog at /vehicles/subaru with model + engine + ECU cross-reference.

Other brands supported by Softechpro

BMWAudiVolkswagenSEATSkodaMercedes-BenzPorscheOpel / VauxhallPeugeotCitroenRenaultDacia

Tune your Subaru with Softechpro V5

All plans include the full toolkit — DTC OFF, EGR OFF, DPF OFF, AdBlue OFF, Catalyst OFF, Stage 1-3, IMMO OFF, Pop & Bang.

24h Pass — €59 Monthly Pro — €299/mo Yearly Enterprise — €1,599/yr

Or request a custom file delivery if you'd rather not flash yourself.