Porsche is working on the final details of their new 911 facelift line-up that will make its world debut this summer. The latest spy shots caught the GT3 RS testing at the Nurburgring. The new GT3 RS is expected to go on sale next year.

The GT3 RS features new front and rear bumpers and it is expected to have an output of around 450bhp - 40bhp more than the current car.

The first details about the updated standard 911 will be unveiled on Friday, 6 June.

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