Want to see the upcoming 2013 Porsche 911 Turbo in some live action? Here's our first video of the convertible model filmed while Stuttgart's engineers were flogging a lightly camouflaged prototype around the Nürburgring test track.
The quad tail pipes seen on the test car suggest that it may be the more potent Turbo S model equipped with an upgraded version of the turbocharged flat-six producing an estimated output of around 550-horses.
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