MPVi4 E46 Tune Files (2020-2025 Duramax LM2 3.0L)
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.
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Dieselr aluminized exhaust system—built from heavy-gauge steel for lasting flow, strength, and performance across multiple diesel setups.
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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.
Chaos MPVI4 Powerstroke 6.0 Tune Files deliver better throttle control, stronger torque, and clean drivability for 2003–2007 trucks.
Motor Vehicle Engine Parts
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