a standard Porsche 911 GT3 RS isn't enough for you, there's Manthey Racing. The Porsche-owned, Nürburgring-based racing firm develops handling kits for various Porsche Motorsport road cars ...
Such upgrades aren't cheap, though. In the United States of America, the base 992.1-series Porsche 911 GT3 Manthey Performance Kit is pretty close to 72,000 dollars. The lighter wheels add nearly ...