AMDP 2024-2026 6.6L L5P DURAMAX HP Tuners Single To SOTF Tune Upgrade

Single Power Level Tune to SOTF Tune Upgrade

Shift on the fly between all five power levels using your factory steering wheel controls, so no extra switch is needed.

Our steering wheel controlled SOTF is the most innovative and unique method in the industry.

Note: Previous Single Tune MUST have already been purchased!