Porsche is introducing a new look to what is essentially its best street-legal race car yet, the 911 GT3 RS, and while the world has already grabbed a glimpse of the 2015 model in action on the German  Nürburgring track new photos of the car have been leaked showing some radical exterior changes.

Porsche 911 GT3 RSR The front end of the 2015 2015 Porsche 911 GT3 RS (top) compared to the 2011 Porsche 911 GT3 RSR. Photo: Top image: CAR magazine. Bottom photo from Porsche

Patent images obtained from by Britain’s CAR magazine suggests the next 911 GT3 RS will have more headroom, a beveled front hood and a wider stance than any other non-racing version of the RSR built on the company’s 991-generation introduced in 2011. The 991 is Porsche’s fourth platform for the 911 since the car was introduced in 1963.

Porsche 911 GT3
The 2013 Porsche 911 GT3, pictured at the Geneva auto show last year. Photos of the 2015 high-performance version of the GT3 have been leaked. Photo: Creative Commons

2015 Porsche 911 GT3 RS Side view of the 2015 Porsche 911 GT3 RS (top image) compared to the 2011 Porsche GT3 RSR. Photo: Top image: CAR magazine. Bottom photo from Porsche.

Like the standard 911 GT3, the photos show twin central exhaust pipes and the rear wing intakes of the non-turbo current RSR. The car won’t be as powerful as the 991 Turbo S’s 552 brake horsepower though changes to the engine could push it past the current 469 bhp of the current GT3.

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Volkswagen-owned Porsche Automobil Holding SE (FRA:PAH3) hasn’t said how much the 2015 911 GT3 RS will cost, but the current RS version of the 997 GT3 tops $200,000.

Click here to see more images from CAR magazine.

Watch the 2015 911 GT3 RS at Nürburgring and listen to the naturally aspirated (non-Turbo) engine: