Infiniti G37/M37 All 3.7 V6 331hp

Real standard and upgraded performance figures for the 3.7 V6 331hp engine in the Infiniti G37/M37 All.

Below: measured output for the 3.7 V6 331hp in the Infiniti G37/M37 All, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard331366
Stage 1345380
Stage 2352387
Make
Infiniti
Model
G37/M37
Generation
All
Engine
3.7 V6 331hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Infiniti G37/M37 All 3.7 V6 331hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 3.7 V6 331hp make after tuning?

Standard output is 331 HP / 366 Nm; Stage 1 on this engine typically reaches 345 HP / 380 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Infiniti G37/M37 All 3.7 V6 331hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 3.7 V6 331hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.