A 1,000-horsepower engine doesn't seem that incredible anymore. You can buy a production car that puts out that amount with an electric or gasoline-powered motor. Chrysler's Direct Connection will sell you a crate engine with 1,000 horsepower. But to make that amount using a 1.6-liter engine? That still seems like witchcraft.
Leave it to Jason Fenske to demystify these small powerplants on his Engineering Explained YouTube channel. According to Fenske, it's all thanks to the combination of an extremely high-revving 1.6-liter turbocharged V6 engine paired with two electric motors.