range technology afm disable full power

Range MDS Manager for
Dodge/Chrysler/Jeep Vehicles

Yeah, it’s got a Hemi in it!

The Range MDS Manager allows your V8 Hemi equipped vehicle to run in full cylinder mode at all times, preventing the Multiple Displacement System (MDS) from dropping cylinders.

Our patented technology is the only product that will disable MDS without reprogramming the factory ECU. Full power delivery all the time without factory warranty concerns.  CARB TESTING UNDER WAY 9/2018

This is currently an EARLY RELEASE of the product so more applications and vehicles are under development.  Easy install and operation.

  • Available in 4 LED Colors:

$199.00 USD

30 Day Money Back Guarantee

You paid for a Hemi!

Full Power

Range MDS Manager keeps you in full power 100% of the time.

  • No more shuddering
  • No more dropping cylinders

Fast and Easy Setup

Simply plug into your onboard OBD-II port (with the key off) and then follow the simple start up sequence.

  • No tools needed
  • Remove to uninstall
  • To start, just deliberately turn the key on one “notch” at a time with a small (1 sec) delay between positions to allow the unit time to interface with the ECU.  See instructions HERE


The power and control you need in any situation.

  • Bad weather
  • Off road
  • Carrying heavy loads

Safe & Reversible

The Range MDS Manager does not reprogram your factory ECU.

  • Leaves no trace. Unplug it to return to factory settings
  • Supports the vehicles listed HERE, includes cars, trucks, and SUVs.

View list of supported vehicles »