GDP EFI Live and Custom Tunes (2011-2016) - Chevy 6.6L

  • Sale
  • $ 949.99



EFILive tuning for the 2011-2016 Duramax is now available to meet your desired horsepower gains. Each AutoCal will come with 5 tunes. When you purchase a GDP Tuning AutoCal you will be ready to unleash the beast that’s is locked inside of your truck.

2011-2016 6.6L Duramax 

2011-2016 POWER LEVELS

  • LEVEL 1 – 30 HP
  • LEVEL 2 – 60 HP
  • LEVEL 3 – 90 HP
  • LEVEL 4 – 120 HP
  • LEVEL 5 – 150 HP