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DiabloSport Marathon Active Fuel Management Module

  • $208.95
  • What Do You Drive?

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  • Not Rated Yet


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If you’re interested in maximizing your time on the road by skipping the gas station as much as possible, a DiabloSport Marathon Active Fuel Management Module is the ideal accessory for you.

Your 2005 to present GM vehicle’s Active Fuel Management keeps your V8 engine acting like a 4-cylinder 35% of the time – but what if you could save money by allowing it to cruise 4-cylinder style a whopping 80% of the time.

By simply plugging the DiabloSport Marathon AFM into the OBDII port under your dash, it enables your AFM to drop cylinders and conserve fuel. Your DiabloSport Marathon Module carries a 1-year limited warranty.

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