Red Bull Racing took to the street of Austin with Sebastian Vettel and Daniel Ricciardo, to put on a show for US fans in the RB7. As well as the usual donuts and burnouts, they also played the US national anthem using the Renault V8 engine.

Bonus donuts video

[fve]http://youtu.be/eT-dFVA9k4g[/fve]

Mmm donuts

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Jim Gardner and Nicola Pohl