Give your 2003-2004 Dodge 5.9L Diesel a performance tune with Dash Mounted Tuners from XDP. Industry leading brands offer pre-programmed tunes that are specially created for your vehicle. In most cases, each unit comes pre-loaded with user-selectable tuning tailored to each type of driving situation. Dash Mounted Tuners are designed for a simply installation and are easily installed utilizing your vehicles OBDII port. Customize the performance from your vehicle with a Dash Mounted Tuner from XDP with manufactures like Edge Products, Banks Power, Superchips, and many more.