HONDA · 37805-Rxx ECU

HONDA FREED 37805-Rxx tuning files

HONDA FREED on the 37805-Rxx: matched, calibrated and delivered with care. The matched variants sit between 105 and 117 HP from the factory. 2 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All FREED coverageCustom ECU tuning file service

Available solutions

What we can run on the 37805-Rxx for this vehicle — the precise options narrow down by engine and software version.

Stage 1Stage 2

Engine variants & ECU software

2 distinct variants for the HONDA FREED on the 37805-Rxx ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1500 117HP
Controller brand
KEIHIN
ECU
37805-Rxx
Stock power
117 HP

Variant 2

ECU
Catalog engine
1500 105HP
Controller brand
KEIHIN
ECU
37805-Rxx
Stock power
105 HP

Related vehicles

Other vehicles built on the 37805-Rxx controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the HONDA FREED on the 37805-Rxx?

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

Do you cover the 37805-Rxx ECU software on this model?

Yes — the HONDA FREED on the 37805-Rxx 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.

HONDA FREED 37805-Rxx ECU Tuning Files | TuningBay