Hellcat has pushed the limits of American muscle, producing monstrous powerplants with horsepower numbers once thought unthinkable. Here are the coolest ones.

As for the actual numbers, the modded RAM TRX got from 0 to 62 mph (100 kph) in just 3.1 seconds and crossed the finish line ...

This insane drag race puts a twin-turbocharged AND supercharged 1200hp RAM TRX up against the Aston Martin DBX707 to see ...

Shaquille O’Neal has never exactly flown under the radar, and his automotive choices are no exception. Known for his towering ...

TRX equipped with bypass valves delivers a brutal exhaust note and high-speed power on the German Autobahn. This full POV ...