Provide your 2011-2016 Chevy/GMC 6.6L LML Duramax with performance tuning when you shop for Dash Mounted Tuners. Industry leading brands offer pre-programmed tunes that are specially created for your vehicle. Dash Mounted Tuners install easily using the OBDII port on your vehicle. Most Dash Mounted Tuners come with pre-loaded tunes that are adjustable for different driving situations. Shop today at XDP for Dash Mounted Tuners from Edge Products, Banks Power, and Superchips.