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- Save money at the pump with a DiabloSport Marathon Active Fuel Management Module
- Designed for GM vehicles from 2005 - present with Active Fuel Management (AFM)
- Allows your V8 to act like a 4-cylinder 80% of the time instead of the 35% from the factory
- Easy to install – just plug-n-play into your OBDII port and drive away
- Your DiabloSport Marathon Active Fuel Management Module carries a 1-year limited warranty
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.