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Some kind of Porsche 911 spied in Germany

Seeing a Porsche undergoing testing in Germany – even at the Nurburgring – is hardly a rare sight. But this one has us scratching our heads. Though almost entirely devoid of any sort of camouflage, this particular 911 clearly has something going on. It's got LED daytime running lights (similar in appearance to those on the Cayman GT4) integrated into the front end, extra air vents around back, and a pair of exhaust tips poking out the middle of the rear bumper. In the end, we could be looking at the upcoming facelift scheduled for the 911 that will see it shift to forced induction across the entire range (save for the GT3 and GT3 RS) – or this could be another version of the existing model. Porsche has been known to churn out a steady stream of those, after all. One way or another, though, it looks like we'll be finding out sooner than later – judging from how ready this particular Elfen looks to hit the show stand and showroom. Related Video: Featured Gallery Porsche 911: Spy Shots View 18 Photos Image Credit: CarPix Spy Photos Porsche Coupe Performance

Chris Harris hits the track in the Porsche 911 GT3 RS

One of the wonderful things about Chris Harris on Cars is the enthusiasm that the host brings to the screen. Granted, it would be hard not to enjoy a day driving around in a supercar that you don't own. Still, Harris brings a sense that he knows how rare these opportunities are and relishes them. In his latest look at the two sides of the latest Porsche 911 GT3 RS, you can tell this guy is having a lot of fun. The GT3 RS is a 500-horsepower, track-focused weapon, but it's expected to drive to and away from the circuit after a day of laps. Therefore, Harris decides to evaluate the attributes of this Porsche in both environments. On the road, he sweeps an orange example over some beautifully, undulating German backroads but keeps things rather tidy. However, in the latter half of the video, he arrives at the Weissach test track for a go in a purple RS. There, he really lets the rear hang out.

Porsche offering new tire option for Carrera GT

Let's face it: finding new tires for older cars can be challenging if tire manufacturers have stopped carrying the right sizes (this writer went through Hell to find a set of 205/60-13s). But what about tires for low-volume supercars, which use sizes that often won't fit on high-volume production vehicles? The Porsche Carrera GT isn't that old and tires are still available in the correct sizes, but the German automaker has shown its support of keeping them on the road by working with Michelin to give owners yet another tire option. Enter the Carrera GT-specific Pilot Super Sport.
It's common knowledge that tires are one of the most important pieces of the performance puzzle, and Porsche claims that the PSS tires, sized 265/35ZR-19 front and 335/30ZR-20 with Porsche's "N0" rating, will improve the Carrera GT's handling and stability all the way up to its claimed top speed of 205 miles per hour. That's important for a car with razor-sharp handling characteristics. They'll also net drivers a 10-percent increase in fuel economy on regular roads and up to 20 percent on racetracks, Porsche says.
The PSSs use cutting-edge tire technology to harness the Carrera GT's 610-horsepower. They have a dual-compound tread that's different from the inside of the tire to the outside, which, Porsche says, helps steering precision and increases maximum grip. Aramid fibers, which are lightweight but just as strong as steel, are used in the tire's belt to reduce unsprung weight.