Increase performance by up to 15%

eFlexFuel E85 conversion kits are the easiest way to turn your vehicle to flex fuel. Run high-octane E85, gas or both in any blend seamlessly.

Please select your vehicle

eFlexFuel products are not available for direct injection engines (TFSI, TSI, CGI, FSI, GDI, EcoBoost, etc.) or diesel engines.

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Auto or moto?

Make Model Year Displacement Vin code (optional) 17 chars; i, o, q not allowed.

500 000 000+

miles with eFlexFuel

20 000+

vehicles converted

4.7/5

rating based on over 100 reviews

Auto & moto

Explore the eFlexFuel product range for your automobile as well as your motorbike or powersports vehicle.

Auto Moto

eFlexApp

Access engine data from the palm of your hand by connecting your eFlexFuel conversion kit to the eFlexApp on your mobile device.

eFlexApp

Over 3,800 stations nationwide

While not all gas stations offer E85 fuel in the United States, you can find flex fuel alternatives across the country. Though eFlexFuel products allow for use of E85, it’s still safe to use gasoline from any station or to mix with E85.

E85 stations

E85 means high performance

The benefits of E85 fuel can be felt in your engine and on the road. With octane levels of 104, high-performance engines will see greater efficiency and horsepower on E85.

Performance

How does it work?

eFlexFuel kits are the easiest way to increase your engine power by using high-octane American E85 fuel. Once the kit is installed there's no need to adjust it or make any other changes to your vehicle.

Easy to install

eFlexFuel is a 100% plug and play solution. Installation usually takes about 1-2 hours. Check out our installation videos, instructions or contact our experienced engineers for advice.

Driver experience

I feel the power

Mike has driven 20,000 miles on E85 with his Nissan Versa. In addition to a noticeable increase in power, Mike enjoys the freedom of choosing a suitable fuel, reduction of his carbon footprint and supporting of local farmers.

Chevrolet Silverado 2500 HD

Flex fuel solution benefits

Meet Michael and his Chevrolet Silverado 2500 HD. Michael decided to convert his pickup truck to run on ethanol. Having eFlexPlus installed on his truck, Michael not only saves money and cuts emissions, he also supports local farmers and improves the performance of his Chevrolet.

Driver experience

150,000 miles with ethanol

Tuomo, our CEO, has driven over 150,000 miles using the E85 fuel. In addition to savings on fuel costs and reduced carbon footprint, he has been getting 5% more power by using E85 high octane fuel.