Your Vehicle
GMC Sierra 6.6 duramax 365HP 7386
Technical Specifications
Power hp
Torque Nm
Power Graph
GMC Sierra 6.6 duramax 365HP 7386: da 365 a 395HP
Remapping GMC Sierra
MasterTuning is a leader in developing remapping for GMC. La GMC Sierra 6.6 duramax 365HP 7386 può passare da 365 HP a 395 HP con un incremento di 30 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details GMC Sierra 6.6 duramax 365HP 7386
The GMC Sierra 6.6 duramax 365HP 7386 is equipped with a diesel engine that produces 365 HP and 894 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this GMC can achieve 395 HP (+8%) and 945 Nm (+6%).
Our Stage 1 tuning for the Sierra 2008 - 2013 delivers an impressive gain of +30 HP and +51 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code LMM identifies this specific powerplant configuration. The Bosch EDC16C42 / Bosch EDC17CP18 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this GMC responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Frequently Asked Questions - GMC Sierra
How much power can I gain from remapping my GMC Sierra?
With MasterTuning Stage 1, your GMC Sierra 6.6 duramax 365HP 7386 can gain +30 HP (from 365 to 395 HP) and +51 Nm of torque. This represents a 8% increase in power.
Is ECU remapping safe for the GMC Sierra engine?
Yes, MasterTuning's remapping for the GMC Sierra 6.6 duramax 365HP 7386 is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the LMM engine.
Is the GMC ECU remapping reversible?
Absolutely. The original factory calibration of your GMC Sierra is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my GMC warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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