BHP+45 hp (11%)
Standard
405 hp
Tuned
450 hp
Torque+31 Nm (6%)
Standard
560 Nm
Tuned
591 Nm
Suitability
Limited (3.5/10)Gains Profile
Power-focusedHeadroom
LowInfiniti QX80 5.6 V8 405hp ECU Remapping
Considering an ECU remap for your Infiniti QX80 5.6 V8 405hp? A Stage 1 remap can take this All petrol engine from 405 BHP to 450 BHP and from 560 Nm to 591 Nm of torque (naturally aspirated). This engine scores 3.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Infiniti QX80 can achieve.
How this engine compares
- 71%of the 9,842 engines we hold gain data for see a smaller power increase
- 19%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Infiniti QX80 5.6 V8 405hp is a 5.6L naturally aspirated petrol engine producing 405 BHP and 560 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 450 BHP and 591 Nm — a gain of around 45 BHP (11%) and 31 Nm (6%).
This engine has limited remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!Naturally aspirated engine: gains are usually limited; results vary widely.
!High tuned torque: check transmission torque capacity and service history.
Technical Specifications
- Fuel Type
- Petrol
- Aspiration
- Naturally Aspirated