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Dieselr aluminized 4" turbo back exhaust for 1989–1993 Ram 5.9L Cummins—proven fit, durable steel, and smooth exhaust flow for work-ready trucks.
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.
Get the GDP Commander for 2020+ Powerstroke & 2017+ L5P Duramax. No ECM shipping needed—flash, unlock, and tune remotely in minutes.
Vehicle Repair & Specialty Tools
Electronics Component Connectors