Various Cheats
Best Buy Car Vinyl
At the main menu enter Up, Down, Up, Down, Down, Up, Right, Left

Burger King Vinyl
At the main menu enter Up, Up, Up, Up, Down, Up, Up, Left

Extra $200
At the main menu enter Up, Up, Up, Left, R, R, R, Down

Unlock $1000 for Career mode & RX-8 and Skyline for Quick Race
At the main menu press Left, Left, Right, X, X, Right, L, R

Unlock Hummer H2 Capone
At the main menu enter Up, Left, Up, Up, Down, Left, Down, Left.

Performance Parts 1
At the main menu enter L, R, L, R, Left, Left, Right, Up

Performance Parts 2
At the main menu enter R, R, L, R, Left, Right, Up, Down

Visual Parts 1
At the main menu enter R, R, Up, Down, L, L, Up, Down

Visual Parts 2
At the main menu enter L, R, Up, Down, L, Up, Up, Down