When Porsche was told that it could no longer bring the Type 930 turbocharged version of the 911 into the United States after 1979 because it could not meet tough new emissions regulations, production nearly ceased. After a six-year hiatus and the development of a new electronic engine management system to control exhaust emissions, Porsche brought the 911 Turbo back to the U.S. market.

In that same period, a number of wealthy clients asked the factory to create street-legal versions of the brilliant 935 Group 5 race car under its Special Wishes Program (Sonderwunsch Programm), now called Porsche Exclusive Manufaktur. They featured a flat, aerodynamic nose with retractable headlights, widened and louvered front fenders, more muscular rear quarters with air intakes, extended and boxed rocker panels, an additional oil cooler, and a large rear spoiler, which housed an intercooler atop the engine lid. After the 930 returned to the U.S. market in 1986, Porsche formalized the “slant nose” design the following year, with option number 505, also known as the 930S, for the U.S. market, and option 506 for the “Rest of the World,” as Porsche called it. This option code could be ordered for an additional $23,244.

The “Flat-Nose” 911 Turbo Cabriolet offered here has a numbers-matching engine and showed just 3,501 miles on the odometer at time of cataloguing, making it a superb example of such a rare and highly desirable 930 variant. An accompanying Porsche Certificate of Authenticity shows that its production was completed on 15 June,1988, and that it left the factory finished in Guards Red over a black leather interior. Its Fuchs wheels are color matched to the stunning exterior paintwork. Besides the “Slant Nose” option, as designated on the certificate of authenticity, this 911 Turbo Cabriolet was also equipped from the factory with a power-operated soft top, limited-slip differential, Blaupunkt radio cassette player, and alarm system.

In addition to the Porsche Certificate Authenticity, it is accompanied by a tonneau cover, factory manual and maintenance books in a plastic case, a spare, a tool kit, and an air compressor tire inflator.