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GDP MPVI4 E66 Tune Files LM2. Requires E66 unlock and 6 credits. Level 1 and Level 2 options for 2021–2025 Duramax 3.0L Global B trucks.
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.
Get the DIESELR Turbo Back Exhaust for 2007–2010 Cummins Cab & Chassis. Stainless, mandrel-bent, secure fitment. Off-road use only.
Get DIESELR’s Cat & DPF Race Pipe for 2007.5–2010 GM 2500/3500 Duramax LMM. Stainless steel, mandrel-bent, built to perform. Off-road use only.
Motor Vehicle Exhaust