Formula Racer

The Formula Racer, also known as the Speedster in Europe and Australia, is a Medium kart in Koopa Kart Wii and Koopa Kart 8. It resembles a Formula 1 race car. Its bike counterpart is the Stealther. It can be unlocked by unlocking twenty-four Expert Staff Ghosts in Time Trials. It is the Koopa Kart counterpart to the Sprinter.

Description
"The Formula Racer is one of the fastest vehicles in the game. Fast and heavy? Yes. But can it cut a corner? Not so much. To unlock this speed demon, you'll have to unlock twenty-four Fast Staff Ghosts." - Koopa Kart Wii in-game description