Porsche has been caught testing a new and thinly-disguised 911 variant from the sharp end of their performance spear. The look of the 911 is a blend of new 991 and old GT3, but the only thing you can trust on this test animal is the crazy vents. Whatever it’s running out back of the rear axle is a serious motor, but no telling if it’s a normally-aspirated motor, making this a GT3 variant, or a turbo setup, which means this is a GT2. Either way, this is good stuff – we can’t recall a bad Porsche with the GT prefix.