In August 2026, Porsche took the covers off something incredibly special: the Porsche Flachbau RS, a modern reinterpretation of the iconic 911 Slantnose. Based on a 2018 911 GT2 RS, this special machine dropped out of the blue, and it got everybody incredibly excited.
This car was commissioned by a mystery customer in Europe, costing them several million dollars. But don’t think of this car as a simple restomod. The eight-year-old 911 GT2 RS has been totally re-engineered, and you’d be hard-pressed to find anyone who could deduce what it once was.
The thing is, as a one-off special, it’s never going to enter production. Porsche will never start series production of the Falchbau RS, built under its exclusive Sonderwunsch program. However, in an interview with The Drive at Monterey Car Week, Porsche got people talking about a production version of the Slantnose 911.
The original Slantnose 911 road car was a one-off for Mansour Ojjeh, owner of Techniques d’Avant Garde (TAG). Back then, he ordered his 935 Street through the Sonderwunsch program in 1983. But demand was so high that Porsche opened up the Slantnose to other customers. Might we be about to see history repeat itself?
The Porsche Slantnose 911 Could Enter Production
The Drive asked Porsche’s Vice President of Product and Individualization, Alexander Fabig, about a possible production Slantnose. He said, “Yes. I mean, the idea of Sonderwunsch was always that this is an inspiration for our series products.” “And we have various examples over the last 50 years where product substance started as a customer’s individual topic,” Fabig added.
“And then, as you said, it trickled down the process line of first becoming an exclusive Manufaktur option, maybe becoming a standard option later on, and then even becoming a series product,” said Fabig. Other exclusives from Porsche have followed this trend. The X50 and X51 power kit, for example, as did the 911 Turbo S, which initially started as an individual’s idea for the sports car.
So in short, the fact that this one-off has been made gives Porsche an idea of how they could put it into production. The German manufacturer knows it can be done, and it can more than likely be adapted to later versions of the 911 quite easily. Plus, if the demand for such a car is high enough from the general public, then why wouldn’t you do it? It would almost be rude not to.
How Powerful Is the Falchbau RS?
The special edition shown off recently is based on a 2018 911 GT2 RS. Not that you can really tell, so extensive are the modifications. It took Porsche engineers, designers, and mechanics over three years, along with those from Manthey and Weissach, to create this epic machine. One thing they didn’t need to touch was the powertrain, as the customer had requested it be left as it is. Given that the 3.8-liter twin-turbocharged flat-six makes 700hp and 553lb-ft of torque, we think that was the right decision.
But everything else was open to the Porsche team to do what they needed to recreate the Slantnose. Designer Grant Larson, who created the modern 935 concept in 2018, was enlisted to help come up with the new design. This was effectively his last project before he retired in 2025. The biggest changes were, of course, at the front as the manufacturer tried to recreate the 1980s look, albeit without pop-up headlights. The back saw changes too, with the car gaining a huge wing, which can produce up to 1,221lbs of downforce.