We know RUF as a certified German automaker taking Porsche 911 bodies-in-white and turning them into some of the most high-performance sports cars you can buy. RUF gained international fame when the CTR "Yellowbird" stormed to 213 MPH in a Road & Track test, beating out the best the world had to offer. This 1998 RUF CTR2 Sport is the ultimate evolution of the air-cooled Porsche 911. Commissioned by Frank Beddor, Beddor's sons helped RUF prepare for running a CTR2 at the Pikes Peak hill climb. The twin-turbo flat-six makes 580 horsepower and drives all four wheels. A knob on the center console allows the driver to change power and torque bias between the front and rear axles, one of only four CTRs equipped with the system. Presented in black over RUF's signature green interior, this might be the best example of what the last air-cooled 911 was capable of.