LB7, LLY, LBZ & LMM Delete + DSP 5 Efilive, mail in ECM or Local

Remove EGR & Cat, if applicable from your LB7, LLY, LBZ & LMM Duramax, increase Hp, increase fuel mileage and durability.

The tune will have stock plus the following HP levels that can be switched on the fly

This is meant for trucks that already have the switch installed.

Or check out the store to purchase a DSP 5 switch.

Send us your ECM or stop by the shop and we will flash your truck with a nice DSP 5 tune.

At checkout please provide vehicle VIN so a proper file can be build and be ready to be installed