NISSAN · SH705821N ECU

NISSAN 350 SH705821N tuning files

Tuning file coverage for the NISSAN 350 running the SH705821N ECU. 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 NISSAN 350 on the SH705821N ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
3500 280HP
Generation
2003-2009
Matched gains engine
3.5 V6 280
Controller brand
HITACHI
ECU
SH705821N
Stock power
280 HP
Stage 1 power
300 HP
Power increase
+20 HP (+7%)
Stock torque
350 Nm
Stage 1 torque
370 Nm
Torque increase
+20 Nm (+6%)

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 NISSAN 350 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 NISSAN 350 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.

NISSAN 350 SH705821N ECU Tuning Files | TuningBay