MotoHub Tuning - GMC 2500 / 3500 2015-2019 6.6 Duramax

MotoHub tuning option for GMC 2500 / 3500 (2015-2019)

• Engine/platform: 6.6 Duramax
• Stage 1: +60-100 hp
• Stage 1+: +135-198 hp
• Stage 2: +150-220 hp
• Estimated torque gain: +200-400 lb-ft
• Notes: Strong diesel platform.

Final results may vary depending on fuel quality, vehicle condition, modifications, ECU/TCU version, and dyno/environment conditions. Our team confirms the best tuning path before final programming.