It took over 8,000 hours and more than 100,000 miles on the road to develop technology
that customizes your vehicle to suit your driving needs.
Both Range V4 Plus and V4 Max work to enhance the factory Active Fuel Management functionality to save you gas and money over the lifetime of your vehicle.
Keeps your vehicle in V8 mode. Allows you to disable 4 cylinder mode on all GM Active Fuel Management Vehicles.
Range V4 Max and V4 Plus optimize your performance by better identifying your driving situations helping you get more miles out of a gallon of gas.
Active Fuel Management, available on most GMtrucks and SUVs, help lower fuel costs by enabling V8 engines to behave like your cylinder engines when cruising with light loads, while seamlessly unleashing their full muscle whenever needed.
The average driver will save $250 a year.
Over the lifetime of your vehicle that can
really add up. See how much you can save
by using our Fuel Economy Calculator.
*based on an average vehicle lifespan of 7 years
If you drive 15,000 miles, you will save an average of 65 gallons of gas a year. Saving fuel means saving money and time, with a lot fewer trips to the gas station.
Simply plug in Range into your onboard OBD-II port and it instantly begins working with your Active Fuel Management to optimize your fuel economy.
See how to install
If all AFM powered vehicles were optimized it could save up to 193 million gallons of fuel per year. Less pollution and a lot less imported gas.
An OBD-II port is the same port that mechanics use
to run engine diagnostics or to evaluate emissions.
Still have Questions? Check out our FAQS.
The Range AFM Disable Device keeps your truck in 8 cylinder mode 100%, preventing the active fuel Management system from dropping cylinder.
This is the only product that will disable Active Fuel Management without reprogramming the factory Ecu. Full power delivery a;; the time without factory warranty concerns.
No more shuttering or dropping cylinders. Range V8 keeps you in full power 100% of the time.
Bad weather, going off road, or carrying heavy loads,Range V8 delivers the power and control you need in any stituation.
Simply plug in Range into your onboard OBD-II port and it instantly begins working with your Active Fuel Management to optimize your fuel economy.
See how to install
The Range V8 does not reprogram your factory Ecu. Leaves no trace.
An OBD-II port is the same port that mechanics use
to run engine diagnostics or to evaluate emissions.
Still have Questions? Check out our FAQS.