Don't even bother with that BRABUS overhaul, as you can now get a Roadster with 15 percent more peak power and a 0 to 60 time of 3.7 seconds right from the factory. Out of seemingly nowhere, Tesla Motors has just announced the lovingly refined Roadster Sport, which arrives with a hand-wound stator and increased winding density for lower resistance and higher peak torque. You'll also notice Yokohama Ultra High Performance tires, improved suspension with adjustable dampers and anti-roll bars that will be tuned to the driver's preference. The automaker is takin