For some humans, the basics won't do -- not ever. Ambitious gearheads, or racers, often crave power -- big power -- and they'll go to great lengths to get it. They'll even add boost to a brand-new car ...

The HPS turbo kit for '94-'04 Two-Valve Mustangs is not 50-state legal, but it may pass smog in other, less-restrictive states. A turbo kit under development for '05 Mustangs will be CARB-legal, says ...

The loud pedal slams to the floor and the sound in the dyno room swells to a rippling roar as a 6.2-liter D170 engine devours Hellion turbocharger boost, rocks the rollers, and sends the output well ...

This project started with three Demons. That is why they called the entire thing 3 Demons Performance, in the first place. And then number 4 showed up out of nowhere and now, they want to make it the ...

Experience the thrill as the 1,300HP Hellcat Jet hits the track for the first time. This Dodge Charger, enhanced with a Hellion twin-turbo kit and retaining its supercharger, represents the pinnacle ...

Have you ever felt that your Mustang was lacking in power? Maybe the model you purchased doesn’t quite have that gut crushing force of a space shuttle taking off or the roar of a tiger in a tunnel.

Two Hellion turbos stoke the Demon 170’s hellfire beyond 1,275 HP—at the wheels! The loud pedal slams to the floor and the sound in the dyno room swells to a rippling roar as a 6.2-liter D170 engine ...