in 1992, Porsche manager Rolf Sprenger presented the idea of creating a lightweight 911 Turbo S based on the car that won the 1992 IMSA Supercar Championship. The result was the Turbo S Lightweight, the first car built by Porsche Exclusiv, the company's custom department. The modifications shaved over 400 pounds off the regular production Turbo S, with the air conditioning, rear seats, power steering, radio, insulation, and sound-deadening materials all binned. Door cards came from the Carrera RS, while the doors, front trunk lid, and rear spoiler were made of reinforced fiberglass while the tub was seam welded for extra strength. The 3.3-liter flat-six was also upgraded and made 381 horsepower, 61 more than stock. This 1992 Turbo S Lightweight is one of 86 made and is all-original, including its Speed Yellow paint and 18-inch Speedline wheels. The car comes with documentation from Porsche verifying its authenticity and will go to auction in Arizona later in January 2023.