Less is more when it comes to exotic sportscars. Less weight, that is. Enthusiasts know that taking extra weight out of a sportscar makes it go faster. No wonder, then, that the Lamborghini Gallardo Superleggera that was unveiled last month at the Geneva show was such a hit.

Although Lamborghinis are decidedly built for the road, the results of the Gallardo's high-perfomance diet can best be seen (and heard) on the race track. This video comes courtesy of the Swedish Auto Motor & Sport, who took the new Superleggera out for a spin at the Phoenix International Raceway in Arizona. Follow the jump and turn up your speakers, 'cause this is one raging bull with a sweet sound.