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DIESELR EGR Upgrade Kit (2017–2019 Duramax 6.6L L5P) removes the factory EGR system for improved airflow, reliability, and performance. Off-road use only.
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 downpipe back single for 2007.5–2010 GM 6.6L Duramax LML - clean fit, smoother flow, and durable aluminized steel build.
Dieselr aluminized DPF race pipes for 2007.5–2010 GM 6.6L Duramax—clean fit, strong flow, and heavy-duty aluminized steel build.
Dieselr aluminized Cat & DPF race pipe for 2011–2015 GM 6.6L GM Duramax LML - precision fit, smooth flow, and long-lasting aluminized steel.