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Dieselr Aluminized 4" CAT back exhaust for 2001–2004.5 GM 6.6L Duramax LB7 - smooth tone, improved flow, and durable 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.
Dieselr aluminized Cat & DPF race pipe for 2011–2015 GM 6.6L GM Duramax LML - precision fit, smooth flow, and long-lasting aluminized steel.
Dieselr 3" aluminized turbo back single for 2016–2021 GM 2.8L Duramax—clean fit, smoother flow, and durable aluminized steel build.
Dieselr aluminized 3" 2-piece downpipe for 1994–1997 Ford 7.3L Powerstroke—tight fit, smooth flow, and durable heavy-duty design.