Background The 993-generation 911 Turbo S stands is one of the rarest examples of Porsche’s last air-cooled 911. Purportedly, 435 examples were produced, with 183 designated for the North American market in 1997. Ordered through Porsche’s Exclusive Manufaktur program, the Turbo S features a twin-turbocharged 3.6-liter flat-six engine producing 424...
