Various cheats

Unlock Best Buy Vinyl:
     At the title screen press Up, Down, Up, Down, Down, Up, Right, Left.

Start with Extra $1,000 / Bonus Cars in Quick Race:
     At  the  title  screen,  press Left, Left, Right, Square, Square,
Right, L1, R1.

Start with Extra $200:
     At the title screen, press Up, Up, Up, Left, R1, R1, R1, Down.

Unlock Burger King Vinyl:
     At the title screen, press Up, Up, Up, Up, Down, Up, Up, Left.

Unlock All Circuit Tracks:
     At the title screen, press Down, R1, R1, R1, R2, R2, R2, Square.

Unlock Level 1 Performance Parts:
     At the title screen, press L1, R1, L1, R1, Left, Left, Right, Up.

Unlock Level 2 Performance Parts:
     At the title screen, press R1, R1, L1, R1, Left, Right, Up, Down.

Unlock Level 1 Visual Parts:
     At the title screen, press R1, R1, Up, Down, L1, L1, Up, Down.

Unlock Level 2 Visual Parts:
     At the title screen, press L1, R1, Up, Down, L1, Up, Up, Down.

Unlock Capone's Hummer H2:
     At the title screen, press Up, Left, Up, Up, Down, Left, Down, Left.

Unlock Nissan Skyline:
     At the title screen, press Down, Down, L1, L2, L1, L2, L1, Down.