Options include speakers, radio, a backup camera, air conditioning and rear seats. Ford intentionally left out the previously stated, which saves an overall 130 pounds. The first American sports car to offer a flat-plane V8, horsepower remains at 526 with 429 lb-ft of torque. Since a flat-plane design is essentially two four-cylinder engines sharing the same crankshaft, it is able to spin to a redline of 8,250 rpm. Such a wide power band combined with the six-speed manual and 3.73 differential makes this used Mustang GT 350R for sale a force to be reckoned with.