2011-2016 GM Duramax LML 6.6L AMDP EFILive AutoCal Custom Tuning
All Digital Products (Custom Tuning, Tuning Revisions, Upgrades, and Credits) are Non-Refundable. Tune files are processed Monday-Friday and may take 24-48 hours to receive.
2011-2016 GM Duramax LML 6.6L AMDP EFILive AutoCal Custom Tuning
Unlock the true power of your Cummins with these tune files from AMPD! AM Diesel Performance Inc. specializes in providing custom tuning for a variety of diesel vehicles since 2016 and are well regarded for producing some of the best tunes around!
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Most orders are shipped 1-2 weekdays after an order is placed, depending on availability. Some products are shipped directly from manufacturers and may be subject to duty and taxes.
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Not all products are stocked in house. Please check for availability as some products may be backordered.
