The vast majority of racing series in the world have some level of restriction on aerodynamic elements. Take that away, though, and you get truly wild cars, like this Audi S4 from aftermarket shop JXB ...

Considering the success Florida’s Champion Audi has had in motorsports—including a first and second at the last Sebring 12 Hour in the Team ADT Champion Racing R8s, and 2003 and ’04 manufacturers’ ...

Experience high-octane drag racing as modified supercars go head-to-head on the strip. This video features powerful models ...

Audi’s new S4 will pack a sizeable performance punch when launched in the United States next fall as a 2004 model. The S4’s new powerplant is a version of Ingolstat’s 4.2-liter V8, producing 344 hp at ...

We're blasting down the short straightaway in excess of 110 mph, grabbing gears faster than you can think, breathing the throttle at the kink with turbo popoff valves tweeting, and hauling the 1.5-ton ...

The good folks over at the racing-focused 'ImportRace' channel on YouTube are back dwelling around their usual venue - Island Dragway in Great Meadows, New Jersey, where they first witnessed a classic ...

Car enthusiast ThatDudeInBlue reviews a modified Audi S4 B5 with a twin-turbo sleeper sedan setup.