Variant 1
ECU- Catalog engine
- 3500 280HP
- Controller brand
- HITACHI
- ECU
- SH705821N
- Stock power
- 280 HP
INFINITI · SH705821N ECU
INFINITI FX SH705821N tuning files
Everything we work with on the INFINITI FX fitted with the SH705821N. Across the matched variants stock power runs from 280 to 280 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.
Available solutions
What we can run on the SH705821N for this vehicle — the precise options narrow down by engine and software version.
Engine variants & ECU software
1 distinct variant for the INFINITI FX on the SH705821N ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the SH705821N 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 SH705821N?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the SH705821N ECU software on this model?
Yes — the INFINITI FX on the SH705821N 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.