Porsche Flachbau RS: el 935 vuelve a respirar en un GT2 RS de calle

Porsche Flachbau RS: The 935 breathes again in a road-going GT2 RS

A Sonderwunsch commission transforms a 911 GT2 RS into a modern reinterpretation of the 935, featuring a Flachbau body, proprietary wing, and real development in Weissach and on the Nürburgring.

August 15, 2026

Some commissions don't seek discretion. This Porsche 911 GT2 RS, born in 2018, went through Sonderwunsch to become something much rarer: a road-legal Flachbau RS, developed over almost three years with the support of Manthey and various Porsche teams.

The idea was not to create a decorative piece or a nostalgic reinterpretation without consequences. The client asked for more performance, a Flachbau line, and a rear wing inspired by the 911 GT3 R rennsport. The result directly references the Porsche 935/78 Moby Dick, but does so from a modern and extreme base: a 991.2 type GT2 RS with the Weissach package.

The front is the most obvious change. The front fenders are lowered, the round headlights disappear, and in their place appears a lighting signature of thin, stepped LED modules. The Grand Prix white bodywork, matte black surfaces, and exposed carbon fiber complete a very Porsche interpretation: historical, technical, and far from coincidental.

The interesting part is that Porsche didn't stop at just a styling exercise. The transformation required modifying the fuel filler cap, the front bumper, the air vents, and the car's aerodynamics. The rear wing, positioned higher and with S-shaped supports, can be manually adjusted in three positions and increases the load on the rear axle compared to the Manthey kit for the GT2 RS.

There's also a clear obsession with weight. Porsche claims a reduction of 31.6 kilograms compared to the base car, a figure that makes sense when you remember that the GT2 RS with Weissach was already a rather lightweight machine. Inside the cabin, elements like the PCM, part of the insulation, audio components, and various trims have been removed, creating a race car atmosphere with leather, carbon, red Alcantara, and specific Sonderwunsch details.

The validation was almost as serious as the commission. There were simulations, structural tests, light tunnel, wind tunnel, tests in Weissach, and laps on the Nürburgring-Nordschleife. Porsche speaks of an equivalent of about 150,000 kilometers of client use, especially to validate the wing and a radically transformed body.

This Flachbau RS works because it understands something that is sometimes lost when revisiting the past: a tribute only makes sense if it adds tension to the present. It doesn't try to disguise a GT2 RS as a classic car. It turns it into a unique piece where the memory of the 935 mixes with aerodynamics, homologation, real development, and the precise excess that has always made the rarest 911s special.

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"It's not a nostalgic look back at the 935: it's a GT2 RS taken into one-off territory that only Porsche can build when it blends memory, engineering, and obsession."

The Porsche Flachbau RSrevives an idea deeply linked to the brand: transforming the 911 through competition. The reference to the 935/78 Moby Dickis not limited to the flat front; it also appears in the way aerodynamics, lightness, and the character of an almost impossible piece are understood. The fact that it is a road-legal one-off makes it even more interesting: it is not a show prototype, but a demonstration of how far Sonderwunschcan go when the customer requests something truly extreme.

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AOC.MAGAZINElooks at this Flachbau RSas one of those pieces that remind us why Porschestill occupies its own territory: not just for making fast sports cars, but for knowing how to turn a historical obsession into a real, usable, and deeply special object.