DIESELR EFI Live Tune Files (2019-2021 Cummins 6.7L)
Motor Vehicle Engine Parts
CAD $894.60
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Get DIESELR MPVI4 E66 Tune Files for 2021–2025 Duramax 3.0L LM2 & LZ0. Custom tunes for Silverado, Sierra, Tahoe, Yukon, Escalade, and Suburban.
Custom fitments
Tell us about your platform, performance goals, and timeline. We’ll map the parts, confirm availability, and send back a detailed quote with next steps.
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
Motor Vehicle Engine Parts
Motor Vehicle Engine Parts
Motor Vehicle Engine Parts