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and long-term reliability whether you’re daily driving
without removing it from the vehicle
every detail matters
This one-time
2017-2023 Duramax L5P Tune File Tipo_Only and long-term reliability whether you’rePerformance Levels Southern Diesel Supply custom calibrations include size selectable power levels designed for everything from stock like operation to aggressive performance. Level 0: Stock Output Level 1: +30 HP Level 2: +80 HP Level 3: +135 HP Level 4: +160 HP Level 5: +210 HP With Shift On The Fly enabled, power levels can be changed instantly using factory steering wheel controls, allowing on demand adjustment without stopping or reflashing.
US$ 98.83
US$ 31.95
US$ 134.35
