EFI Live GDP Single/SOTF Support Package (2011-2016 Duramax 6.6L)

The Duramax 6.6L engine is known for its power and durability, but did you know that there's even more potential hidden within your vehicle? With the EFI Live GDP Single/SOTF Support Package, you can unlock additional horsepower and better fuel economy without having to purchase a separate device. For those who are already familiar with the EFI Live platform, this support package allows you to tune multiple vehicles using a single unit. But even if you're new to tuning, don't worry - the process is simple and easy to understand. First, let's break down what exactly is included in this support package. As the name suggests, it includes only the tune file and does not come with a device. This means that it is specifically designed for those who already have the EFI Live platform and are looking to add a tune for their 2011-2016 Duramax 6.6L engine. But why should you invest in this support package? The answer is simple - to fully utilize the potential of your vehicle. With the EFI Live