GMC Sierra 6.6 Duramax 365hp
2014 - 2016
GMC Sierra 2014 - 2016 6.6 Duramax 365hp
Key Specifications
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2014 - 2016 |
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Diesel |
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LMM |
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Bosch EDC16C42 / Bosch EDC16C41 |
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16.8:1 |
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103.0 X 99.0 mm |
Discover Our Tuning Solutions
Tuning files for GMC Sierra (2014 - 2016) 6.6 Duramax 365hp
MasterTuning S.R.L. develops tuning files for GMC Sierra 6.6 Duramax 365hp. Figures shown are reference values for Stage 1; the file is developed on the vehicle and checked in the workshop.
- 100% custom tuning files guarantee;
- Developed for the specific vehicle and ECU;
- More power and torque, within safety margins;
- Reduced fuel consumption.
Other Sierra 2014 - 2016 Engines
Similar Power (~365 HP)
The cost of Stage 1 tuning for GMC Sierra 6.6 Duramax 365hp varies depending on the ECU (Bosch EDC16C42 / Bosch EDC16C41) and specific requirements. Contact us for a free personalized quote.
Stage 1 tuning for GMC Sierra typically takes 1-2 hours of work. Time may vary depending on the ECU type.
Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 365 to 395 HP (+8%) is within safe parameters.
With Stage 1 tuning, GMC Sierra goes from 365 HP to 395 HP (+30 HP) and from 894 Nm to 945 Nm (+51 Nm).
Stage 1 remapping takes it from 365 HP to 395 HP (+30 HP, +8%) and torque from 894 Nm to 945 Nm (+51 Nm). These figures refer to the standard engine, with no hardware modifications.
A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.
With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.
Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.
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