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Dieselr 4" aluminized Cat & DPF race pipes for 2011–2015 GM 6.6L Duramax—strong flow, clean fit, and long-lasting steel construction.
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
DIESELR EFI Live Transmission Tune File (2013–2018 Cummins 6.7L AISIN). Improve shifts, throttle response, towing performance, and drivability.
Exhaust
Exhaust
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