6.6L Duramax L5P

Get more power from your 6.6L Duramax L5P with diesel tuners and tuning files. This collection includes SOTF switches, EZ Lynk Auto Agent 3, OBD2 tuning credits and ECM/TCM unlock kits for 2017-2023 trucks.

Adjust power settings, improve torque or save fuel. Delete emissions, upgrade transmissions or tweak performance. Made for truck owners who work on their rigs. Skip shop costs. Works for towing, hauling or daily driving.