Mercenary Autocal tuner for your LMM equipped vehicle. Tuner comes with 5 power levels that are switch on the fly. Power levels vary by year model. Select to add a DSP-5 switch so you can change levels with the turn of a switch.
Switch must be wired directly into the ecm wiring harness for the DSP5 switch to work.
Must Provide: Model Year, VIN #, Any Mods, Transmission (Auto or Manual), Regular Pickup or Cab & Chassis, Short or Long Bed, and Tire Size