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How wild is this Audi S1 Pikes Peak?

The legendary Audi quattro S1 E2 Pikes Peak, built by Audi Sport Veghel, unleashes its 600+HP 5-cylinder engine with raw anti ...
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Audi S1 Pure 5 Cylinder Sound

Hear the legendary Audi Quattro S1 Group B with its iconic 5-cylinder engine, turbo flutter and raw rally sound. No music — only pure Group B audio from one of the most famous rally cars in history.