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Chaos MPVI4 Cummins 5.9 Tune Files deliver better throttle control, torque, and drivability for 2003–2007 trucks using HP Tuners MPVI4.
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.
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