The Mazda Furai was a glimpse into what the future of racing could have been. Revealed in 2008, it was built on the chassis of a Courage C65 Le Mans prototype and powered by a 450-horsepower 3-rotor rotary engine running on ethanol. Unlike most concept cars, the Furai wasn’t just for show—it was a fully functional race car. Weighing just 1,488 lbs, it had an incredible power-to-weight ratio, allowing it to reach 60 mph in 3.2 seconds and hit a top speed of 180 mph. It clocked an unofficial lap t