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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.
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.
Dieselr aluminized exhaust system—built from heavy-gauge steel for lasting flow, strength, and performance across multiple diesel setups.
Dieselr aluminized 4" turbo-back exhaust—strong flow, clean tone, and long-lasting steel durability for dependable diesel performance.
Dieselr aluminized 3" Cat & DPF race pipes—clean fit, smooth flow, and corrosion-resistant durability for high-performance diesel setups.