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Dieselr 5" aluminized DPF back single for 2007.5–2010 GM 6.6L Duramax—strong flow, perfect fit, and heavy-duty aluminized steel build.
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.
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.
Get DIESELR MPVI4 E66 Tune Files for 2021–2025 Duramax 3.0L LM2 & LZ0. Custom tunes for Silverado, Sierra, Tahoe, Yukon, Escalade, and Suburban.
LMM Duramax Downpipe-Back Exhaust for 2007.5–2010 GM trucks. T409 stainless, mandrel-bent, off-road only. Built tough. From Dieselr.