DIESELR EFI Live Tune Files (2001-2004 Duramax LB7 6.6L)
Motor Vehicle Engine Parts
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EGR Upgrade Kit (2020–2025 Duramax 3.0L LM2) improves airflow, lowers EGTs, and extends engine life in Silverado and Sierra 1500 trucks.
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Motor Vehicle Engine Parts
Dieselr aluminized downpipe back exhaust — heavy-duty system built for stronger flow, precise fitment, and corrosion-resistant performance.
Dieselr aluminized 4" Cat & DPF race pipes—built for smoother flow, cleaner routing, and long-term durability under heavy-duty use.