Nothing hits like a day at the races — the smell of exhaust, the thumping of engines in your chest, the roar of the crowd. Motorsport has delighted generations for as long as there have been motors.

While most high-performance rides that we can legally drive on public roads are powered by beefed-up versions of normal, day-to-day engines, the following five left the factory with motors built for ...

From Hot Wheels toys to crazy SEMA creations and crowd-claiming dragsters, twin-engine cars are nothing new, but they certainly are a novel way to take your custom build to the next level. After all, ...