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Range AFM/DFM Disabler for GM V6/V8

Range Technology ★ 3.6/5 · ItemOracle Score Premium

$208 USD
Price subject to change
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Southwest Speed New Range Technology AFM-DFM DISABLER,Blue,Compatible with V6 & V8 GM Motors

Range AFM/DFM Disabler plugs into OBD-II to keep GM V6/V8 engines in full cylinder mode, avoiding cylinder deactivation without ECU reprogramming. Instantly active and removable for factory settings

Highlights

  • Installs via OBD-II port
  • Disables AFM/DFM without ECU reprogramming
  • Leaves no trace when unplugged

Pros

  • Keeps full power by preventing cylinder deactivation
  • Plug-and-play OBD-II installation
  • Does not reprogram the factory ECU
  • Removable to restore factory settings
  • Compatible with V6 & V8 GM motors

Cons

  • Limited customer insight data
  • May not be applicable to non-GM engines
  • No warranty or durability claims provided

Best For

  • vehicles with V6 GM engines seeking constant power
  • vehicles towing or hauling where full power is desired
  • drivers avoiding Active/Dynamic Fuel Management for performance
  • temporary testing or performance evaluation without ECU changes
  • owners who may want to revert to factory settings easily
  • vehicles in racing or high-load scenarios

Features

  • Disables GM AFM/DFM to keep V6/V8 engines in full cylinder mode
  • Installs via OBD-II port without ECU reprogramming
  • Does not alter factory ECU or leave trace when unplugged
  • Compatible with GM vehicles using Active or Dynamic Fuel Management; includes cars, trucks & SUVs
  • Blue variant by Range Technology; part number RA003B available

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