The Ford Mustang is an iconic and one of the best-known American cars. The Fastback was available from the factory with hydraulic power steering, but it was so light that driving became scary at high speeds. As a result, every speed demon immediately removed this system . The EZ Power Steering system for the Ford Mustang Fastback steers light at low speeds, and heavier at high speeds. (Note, not applicable to a tilt column)