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DIESELR EFI Live Tune Pack (2006–2007 Duramax LBZ 6.6L). +20–260HP custom tuning with optional transmission support. Built for safe, proven power.
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
Custom DIESELR MPVI4 Transmission Tune File for 2022–2024 Cummins 6.7L AISIN. Improve shifts, fix lugging, and match ECM power for towing and big builds.
Get the DIESELR EFI Live Transmission Tune File (2019–2024 Cummins 6.7L AISIN). Improve shifts, towing power, throttle response, and reliability.
DIESELR EFI Live Transmission Tune File (2013–2018 Cummins 6.7L AISIN). Improve shifts, throttle response, towing performance, and drivability.
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