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Dieselr aluminized 4" turbo back single—smooth flow, strong welds, and corrosion-resistant steel built for long-term performance.
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 MPVI4 E46 Tune Files require an unlocked E46 ECM and 6 credits. Level 1 and Level 2 options available for 2020–2025 Duramax LM2.
Motor Vehicle Engine Parts
Chaos MPVI4 Powerstroke 6.0 Tune Files deliver better throttle control, stronger torque, and clean drivability for 2003–2007 trucks.