INFINITI · MEC100 ECU

INFINITI FX MEC100 tuning files

Everything we work with on the INFINITI FX fitted with the MEC100. Stock output across the matched variants spans 295–324 HP. There are 3 distinct variants on file for this combination. 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 FX coverage

Available solutions

What we can run on the MEC100 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

3 distinct variants for the INFINITI FX on the MEC100 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4500 324HP
Controller brand: HITACHI
ECU: MEC100
Stock power: 324 HP
ECU HW: 8MFKF4N11
SW upgrade: 1JK00B
Calibration: 1JK00B

Variant 2

ECU

Catalog engine: 3500 295HP
Engine code: KAWNE
Controller brand: HITACHI
ECU: MEC100
Stock power: 295 HP
ECU HW: 8MFKFMN12
SW upgrade: 1JL30D
Calibration: 1JL30D

Variant 3

ECU

Catalog engine: 3500 295HP
Controller brand: HITACHI
ECU: MEC100
Stock power: 295 HP

Related vehicles

Other vehicles built on the MEC100 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the INFINITI FX on the MEC100?

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

Do you cover the MEC100 ECU software on this model?

Yes — the INFINITI FX on the MEC100 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.