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At eFlexFuel, eFlex isn’t just a product name — it’s the foundation of our entire technology ecosystem. It’s the common DNA shared across every controller, every smart feature, every component we build.

Discover how eFlexFuel + E85 delivers real horsepower and torque gains—without ECU tuning. We bust outdated myths with dyno-proven results and a science-based breakdown of why this combo works. Watch now and get ahead of the curve!

Join us each month as we spotlight a different member of the eFlexFuel team!

In this episode of Fuel Wars! we strap an eFlex equipped 2015 Honda Civic Si 2.4L to the dyno to compare E85 Vs Premium gas performance. No adjustments or user inputs were made, just switching fuel and letting the eFlex kit do its thing.

We’re stoked for this one! Mister Zachary, the high-energy, burnout loving LEGEND who helped build Hoonigan’s legacy, has installed an eFlexFuel kit on his Gen 1 Ford F-150 6.2L Raptor.

It’s one thing to talk about performance gains but it’s another thing to perform testing and prove them. Critics say there are no gains to be had from E85 in naturally aspirated engines or that you need to tune to see gains from E85 - as you’ll see, these claims couldn’t be further from the truth!

Motorsports are a celebration of speed, power, and precision—an arena where every detail matters, and performance is everything. For drivers and teams pushing the limits of engineering and skill, fuel choice is a game-changer. Enter E85 gas: a high-octane, renewable energy source that offers unparalleled power, efficiency, and stability. It is the fuel of choice for those who want to dominate the track and drive into the future.