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Dieselr aluminized downpipe back single—4″ system engineered for smooth flow, secure fit, and long-lasting corrosion-resistant strength.
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 DPF race pipe for 2013–2023 Ram 3500/4500/5500 Cab & Chassis 6.7L Cummins—durable, corrosion-resistant, and built for flow.
Dieselr aluminized SCR Urea race pipe for 2011–2012 Ram 6.7L Cummins Cab & Chassis—strong flow, cooler temps, and durable fitment.
Dieselr aluminized Cat & DPF race pipe for 2007–2010 Ram 3500/4500/5500 6.7L Cummins—durable fit, stronger flow, and cooler EGTs.