Description: This product is a perfect fit for 2011 - 2016 GMC/Chevrolet HD trucks with a 6.6L Duramax engine. It includes the MVPI3 device and 2 credits. If you're looking for custom tuning for your Duramax, trust us! We're one of the best in the business. Just tell us about your upgrades and preferences, and we'll write tunes to match your truck's modifications. Part Number: GDP405CS. Features: It offers single or SOTF options, is written specifically for your truck, and you can choose emissions on or off. Tuning: Custom tuning allows you to modify many engine and transmission parameters. The main reason customers tune their trucks is for better fuel economy. By changing the burn rate and removing EGR gases (if applicable), you can get more energy from fuel, leading to increased mileage and power. Power Levels: Different power levels can be customized according to your requests and vehicle modifications. Here are some general power levels: Level 1 (20 HP), Level 2 (50 HP), Level 3 (120 HP), Level 4 (175 HP), Level 5 (200 - 230 HP). Instructions: Click here to view MPVI Tuning instructions.

Using this custom tuning product is easy. First, tell us about your truck's upgrades and preferences. We'll then create custom tunes for your specific vehicle. When it comes to installation, just follow the MPVI Tuning instructions by clicking the provided link. Remember, this product includes the MVPI3 device and 2 credits. As for maintenance, keep your device clean and in a dry place. If you plan to make more modifications to your truck in the future, let us know, and we can adjust the tunes accordingly. Also, note that different power levels are available based on your requests and vehicle changes.