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Range Active Fuel Management Disable Device Multiple Displacement System Manager - RA004

  • $209.95  List Price
  • $189.00
  • What Do You Drive?


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  • Range MDS Manager keeps you in full power 100% of the time
  • Simply plug into your onboard OBD-II port (with the key off) and then follow the simple start up sequence
  • The Range MDS Manager does not reprogram your factory ECU
  • Unplug it to return to factory settings
  • Not compatible for models with push start

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Range Active Fuel Management Disable Device Part #RA004 Customer Reviews

Average Rating

2 Customer Reviews

Does the job!

Reviewed by Samuel K (JEDDO, MI) Reviewed for a 2006 Dodge Ram — Mar 17, 2020 10:24 AM

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Work exactly as described some time it does not kick in right away and you have to turn the key back off and do it again but besides that it's great!

Not a bad idea

Reviewed by Evan D (LAS VEGAS, NV) Reviewed for a 2010 Dodge Ram — Dec 14, 2018 3:46 AM

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Truck has high mileage after a lot of use, wish I would've bought this sooner. The MDS continued to make my truck lurch when ever it was activated or deactivated due to acceleration or de-acceleration.. With the active fuel disable device that has completely stopped. Truck shifts smooothly through all the gears and the response from the motor now is almost instantaneous. Over all a great purchase