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Fix restrictive factory manifolds with DIESELR’s direct-fit 6.6L Duramax exhaust manifold and up-pipe kit. Built for long-term reliability and lower EGTs.
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
Dieselr aluminized 4" Cat & DPF/SCR race pipe for 2013–2018 Ram 6.7L Cummins—smooth fit, strong flow, and durable aluminized steel construction.
Dieselr 3" aluminized Cat & DPF race pipes for 2019–2024 Ram 1500 3.0L EcoDiesel—precise fit, steady flow, and corrosion-resistant strength.
Dieselr aluminized 4" Cat & DPF race pipe for 2007–2012 Ram 2500/3500 6.7L Cummins—durable, corrosion-resistant, high-flow performance.
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