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Chaos EFI Live Duramax Tune Files deliver stronger power, better drivability, and custom levels for LB7, LLY, LBZ, and LMM engines.
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—4″ system engineered for smooth flow, secure fit, and long-lasting corrosion-resistant strength.
Dieselr aluminized 4" Cat & DPF race pipes—engineered for strong flow, corrosion resistance, and precision fitment built to perform.
Dieselr aluminized downpipe back exhaust — heavy-duty system built for stronger flow, precise fitment, and corrosion-resistant performance.