Audi Sport Quattro S1 Pikes Peak - blow-off sounds, fly-by's and launch

Engine: Straight 5 Turbo / 2110 cc / 128.8 cu inPower: 598 bhp / 446 kW @ 8000 rpmTorque: 590 Nm / 435 ft lbs @ 5500 rpmWeight: 1000 kg/ 2,204 lbsDrive: Quat...