Variant 1
ECU- Catalog engine
- 3500 280HP
- Controller brand
- HITACHI
- ECU
- SH705521N
- Stock power
- 280 HP
INFINITI · SH705521N ECU · petrol
INFINITI FX SH705521N tuning files
The INFINITI FX on the SH705521N, mapped from stock file to finished result. The matched variants sit between 280 and 280 HP from the factory. 2 distinct variants are catalogued here. Petrol calibration here is about crisp response and a result that holds up day to day. We match the right calibration to your exact software and validate it before delivery.
Available solutions
What we can run on the SH705521N for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
2 distinct variants for the INFINITI FX on the SH705521N ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3500 V6 280HP
- Controller brand
- HITACHI
- ECU
- SH705521N
- Stock power
- 280 HP
Related vehicles
Other vehicles built on the SH705521N 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 SH705521N?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the SH705521N ECU software on this model?
Yes — the INFINITI FX on the SH705521N 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.