When announced in February 1993, the Porsche 911 Turbo 3.6 was to be the highest-performance regular-production model the company had ever produced for sale in North America.

This new single-turbo, rear-drive, widebody 911 put out a shocking 355 horsepower.

Porsche achieved these eye-watering numbers by finally developing a method for turbo charging the type-964’s new M64 3.6-liter engine and swapping out the previous 3.3-liter powerplant.

As the type-964 model drew to a close, however, Porsche decided to release an even more powerful variant, the Turbo S.

Designed to be unique, each car would be built by Porsche Exclusive’s Sonderwunsch, or “Special Request,” department and treated to a host of exclusive performance features.

Porsche estimated it would build fewer than 100 of these exceptional 911s.

The Turbo S would include the X88 "Works Increased Horsepower" engine with modifications inspired by the engines built by Andial—a company synonymous with Porsche racing in the Seven...