Duramax chips can help a great deal when it comes to adding power and performance to your 2001-2016 GM 6.6L Duramax. They are handheld tuners with an easy to use, high resolution color screen that comes complete with scanning features as well as performance tuning for your truck. They offer more power per dollar compared to any other tuners on the market, and they are backed by an industry-leading two-year powertrain warranty. Among the things that you will love about them include the fact that they are internet updatable and feature high performance, economy, daily driving as well as extreme tuning.