Here are some cheats and tips for the game Tokyo Xtreme Racer.
Honda S2000:
Defeat the all cars from The Four Devos team at the end of quest mode to
successfully complete the game. The Honda S2000 may be purchased at the
car shop in the next game. Additionally, the Rival 138-141, Type-515,
and Type-AP1 cars will be unlocked.
Porsche 911:
Unlock the Honda 2000. Defeat the other death cars in quest mode and
successfully complete the game. The Porsche 911 may be purchased at
the car shop in the next game.