DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L) LEVELING KITS 1999-2007 Chevrolet/GMC 1500 Increased Coolant Flow

Increased Coolant Flow

Controls the rack travel which affects the amount of fuel the P7100 fuel pump delivers

BD exclusive feature of a heavy sprung waste-gated T3 turbine housing that mounts onto stock exhaust manifolds

Pump Speed Limits

Thankfully the new Morimoto XB LED headlights: Look great

DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L) LEVELING KITS 1999-2007 Chevrolet/GMC 1500 Increased Coolant FlowImportant Compatibility & Unlock Information 20192023 L5P Duramax trucks, do not require the unlock cable. These models can be unlocked and tuned directly using HP Tuners standard MPVI3 process. Unlocking and flashing the ECM requires 6 Universal Credits. DIESELR MPVI3 Tune Files for 20202023 Duramax L5P 6. 6L For owners of 20202023 GMC Sierra and Chevrolet Silverado 2500 3500 trucks equipped with the Duramax L5P 6. 6L, DIESELR MPVI3 Tune Files