Run gasoline, E85 or any mix of the two in your 2011–2017 Mustang GT without loading a different tune every time the fuel changes. The Advanced Fuel Dynamics ProFlex Commander reads the actual ethanol content in the tank and adjusts injector operation in real time, so the fuel delivery follows the blend you are actually running.
This matters because pump E85 is not always 85% ethanol. Advanced Fuel Dynamics reports 7–10% more wheel horsepower and torque on E85. Its test Mustang gained as much as 20 wheel horsepower between 4,500 and 6,500 RPM.
Fitment Information
- Ford Mustang GT 5.0L Coyote V8 S197 (2011, 2012, 2013, 2014)
- Ford Mustang GT 5.0L Coyote V8 S550 (2015, 2016, 2017)
Fitment Note
This ProFlex Commander is for the port-injected 5.0L Coyote used in the listed Mustang GT models. Advanced Fuel Dynamics does not list this system for the Boss 302.
It is not compatible with the direct-injection 5.0L Coyote used in 2018 and newer Mustang GT models. Those cars require the Advanced Fuel Dynamics ProFlex DX system.
Commander Options
- Standard Commander: Recommended for stock or lightly modified naturally aspirated Mustangs using factory-size fuel injectors.
- Commander Pro: Recommended for turbocharged or supercharged builds and cars using 600cc, 60 lb/hr or larger fuel injectors. The Pro version provides more precise control over larger injectors and can support additional fuel-system upgrades.
Fuel Sensor Options
- Standard Sensor: A good choice for stock and mildly modified fuel systems. It provides accurate ethanol-content readings for daily driving and naturally aspirated performance builds.
- E-SENSE Sensor: A higher-flow sensor designed for modified fuel systems and higher-horsepower builds. It also adds fuel-temperature monitoring and additional real-time information through the ProFlex Connect app.
How the ProFlex Commander Works
The ProFlex Commander measures the ethanol content in the fuel and electronically adjusts injector operation for the current blend. You can fill the car with pump gas, E85 or any mixture of the two without pushing buttons or changing maps.
BlendSense technology updates every 30 milliseconds as the ethanol percentage changes. The ProFlex Connect app also lets you check the current ethanol content from an Apple or Android phone.
Features
- Run gasoline, E85 or any mixture of the two
- No additional tuning required
- Compatible with the stock calibration or a performance gasoline tune
- Designed for the port-injected 5.0L Coyote
- Digital injector management
- BlendSense technology with a 30-millisecond refresh rate
- AFD reports 7–10% more wheel horsepower and torque on E85
- Cold Start Plus technology for easier cold-weather starts
- Bluetooth ethanol-content monitoring through the ProFlex Connect app
- Compatible with naturally aspirated builds, bolt-ons and power adders
- Installation normally takes less than one hour
- Limited 12-month warranty
Emissions Information
The ProFlex Commander does not remove or replace emissions equipment. It reads the ethanol content in the fuel and electronically adjusts injector operation so the engine can run gasoline, E85 or any mixture of the two.
Advanced Fuel Dynamics does not publish a CARB Executive Order number for this kit. California emissions compliance will also depend on the engine, chassis and approval status of the complete Mustang setup.
Watch the Video
Here is a dyno video from Advanced Fuel Dynamics showing a Mustang GT 5.0L running the ProFlex Commander E85 flex-fuel system.
Before You Buy
- This system fits 2011–2017 Mustang GT 5.0L models only.
- Choose the Standard Commander for a stock or lightly modified naturally aspirated car.
- Choose Commander Pro for forced induction or 600cc, 60 lb/hr and larger injectors.
- Choose the Standard Sensor for a stock or mildly modified fuel system.
- Choose the E-SENSE Sensor for a modified or higher-flow fuel system.
- E85 requires more fuel volume than gasoline. Confirm that the fuel pump and injectors can support the car’s modifications and intended power level.
- A performance gasoline tune is compatible, but this system should not be combined with a fixed-map E85 tune.
Pairs Well With
- Radium Engineering Fuel Rails for Ford Coyote – Upgrade the fuel rails on a modified 5.0L Coyote build that needs additional fuel-system capacity for larger injectors or forced induction.
- K&N Cold Air Intake for Mustang GT S197 5.0L – Add more airflow and a louder Coyote intake sound to a 2011–2014 Mustang GT.
- aFe Super Stock Air Intake for Mustang GT S550 5.0L – Improve airflow on a 2015–2017 Mustang GT while retaining the factory intake tube and airbox layout.
- Mishimoto Oil Cooler for Mustang GT S197 / S550 5.0L – Help control oil temperatures on a Mustang that sees track use, forced induction or regular hard driving.
About Advanced Fuel Dynamics
Advanced Fuel Dynamics builds flex-fuel systems that measure the actual ethanol content in the tank instead of assuming every pump marked E85 has the same blend. Its ProFlex systems automatically adjust injector operation in real time, allowing drivers to use gasoline, E85 or any mixture of the two without constantly changing tunes.

More in this category
Advanced Fuel Dynamics E85 Flex Fuel Kit
Ford Mustang Flex Fuel
Ford Mustang Parts
Ford Mustang S197 Parts
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