The following are known GameShark Codes for San Francisco Rush: Extreme Racing on Sony Playstation (PS1).
These codes were also known as Action Replay Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

• Infinite Time
  800B2814 001E
• Always Place 1st
  800B3388 0000
• Max Speed
  80101218 0329
• Car Modifier
  800B2738 000?
  Car Modifiers
  • 0: Beginner Car
  • 1: Advanced Car
  • 2: Expert Car
  • 3: Extreme Car
  • 4: Secret Car A (Bus)
  • 5: Secret Car B
  • 6: Secret Car C (Beetle)
  • 7: Secret Car D
• Drone Cars Cannot Drive
  D00074BC 0001
  80056044 0000