Manthey used the DTM season finale at Hockenheim on October 9 to unveil a pair of rare track-focused Porsches. The 911 GT3 Cup MR 30 and 718 Cayman GT4 RS Clubsport MR 30 commemorate the company's 30th anniversary, but their changes go considerably further than anniversary graphics. Just 15 examples of each will be built.
The more extensively re-engineered powertrain belongs to the 911 GT3 Cup MR 30. Based on the 992.1-generation Cup car, it uses an enlarged 4.2-liter flat-six rated at more than 550 hp. Manthey has also revised the aerodynamic package, cooling layout and suspension. Extended wheel arches accommodate an additional 20 mm of track width at the front and 50 mm at the rear.
Much of the front bodywork, rear panels and large rear wing use recycled carbon fiber. A central radiator arrangement is intended to improve airflow and make the car more resilient to minor contact in competition. Revised brake ducts, a new splitter and aerodynamic details work alongside lighter forged wheels and adjustable dampers with modified suspension geometry. The changes reflect Manthey's experience developing Cup cars for customers who want performance beyond the constraints of standard racing regulations.
The 718 Cayman GT4 RS Clubsport MR 30 takes a different route. Its familiar engine is retained, while the emphasis falls on reducing weight, improving cooling and generating more downforce. Carbon-fiber components include the fenders, front end, rear deck, diffuser and rear wing. Manthey also developed lighter wheels, contributing to a claimed 5.7 kg reduction compared with the base Clubsport. The underlying concept has already undergone endurance-racing validation, including the Nürburgring 24 Hours.
Both cars wear Manthey's white-and-red anniversary livery, with numbered commemorative details inside and out. Prospective customers can submit purchase enquiries through October 30; Manthey will then allocate the limited production run.
The company expects to begin delivering the Cayman in November 2026 and the 911 in the first quarter of 2027. Despite their scarcity, these are intended as functional track machines rather than display-only commemorative editions. Their debut also comes immediately after Porsche confirmed an increased 67 percent ownership stake in Manthey, placing the performance specialist more deeply within its future sports-car business.