1998.5-2000 Dodge Ram 2500/3500 - 5.9L Cummins Diesel. For more than two decades, Edge Products has been the leader in Cummins tuning, and the Edge EZ Module for 1998.5–2002 Dodge 5.9L Cummins continues that tradition with a simple, effective performance upgrade that’s perfect for work or play. This compact, plug-and-play module installs in minutes—no cutting, splicing, or complex setup required. Simply connect it to your factory wiring harness and immediately experience EGT-safe horsepower and torque gains designed to improve towing performance, throttle response, and daily drivability. Engineered specifically for the legendary 24-valve 5.9L VP44 Cummins, the EZ adds the extra power you need for hauling heavy trailers, climbing steep grades, or getting quicker throttle response around.