Now, the legendary German tuning house BRABUS is stepping far beyond its usual playbook of turning G-Wagons into menacing, 900-horsepower land missiles. In a new collaboration with luxury builder Sunreef Yachts, the performance brand has just revealed the BRABUS Ultima 55. However, while the Shadow series topped out around 37 feet and 900 horsepower, the Ultima 55 represents a massive leap into genuine super-yacht territory. The Ultima 55 features a sophisticated hydrofoil system. A Floating Track ToyVisually, the Ultima 55 looks like it belongs perfectly parked next to a murdered-out AMG GT Black Series.