Rumored to break cover at the Paris Motor Show in October 2014, the new Porsche 911 GT3 RS is still somewhat of a mystery. Sure, we’ve seen it stretching its legs on the road and track in several spy shots and video footage, but very we know few details besides its exterior appearance. The GT3 RS’ big conundrum is what lurks under the rear bonnet. Is the mother of all GT3’s going turbo? The rear fenders obviously back this scenario, but why isn’t Porsche saying anything? Guess we’ll find out soon enough. Meanwhile, word on the street has it the upcoming GT3 RS is the second-fastest Porsche ever to lap the Nurburgring track after the 918 Spyder.