Enter these cheats when press start appears at the title screen:

Burger King Vinyl:
UP, UP, UP, UP, Down, UP, UP, Left.

H2 Capone:
UP, LEFT, UP, UP, DOWN, LEFT, DOWN, LEFT.

All circuit tracks:
DOWN, R, R, R, BLACK, BLACK, BLACK, X.

Level 1 performance parts:
L, R, L, R, LEFT, LEFT, RIGHT, UP.

Level 2 performance parts:
R, R, L, R, LEFT, RIGHT, UP, DOWN.

Level 1 visual parts:
R, R, UP, DOWN, L, L, UP, DOWN.

Level 2 visual parts:
L, R, UP, DOWN, L, UP, UP, DOWN.


Unlock Parts

Hoods:
Get 4 wins on outrun level 2.

Engine, Transmission or Tyres:
Get 3 wins on outrun level 3.

Rims:
Get 6 wins on outrun level 3.

Spoilers:
Get 4 wins on outrun level 4.

Vinyls:
Get 6 wins on outrun level 4.

ECU, turbo or brakes:
Get 9 wins on outrun level 4.

NOS, weight or suspension:
Get 6 wins on outrun level 5.

Wide body kits:
Get 11 wins on outrun level 5.


Magazine Cover Unlocks

Turbo:
Get 4 wins on level 2.

Sports Compact Car:
Get 8 wins on level 2.

Car Audio and Electronics:
Get 6 wins on level 3.

GTI:
Get 11 wins on level 3.

Hot 4's:
Get 18 wins on level 3.

Street Car:
Get 2 wins on level 3.

Maxi Tuning:
Get 7 wins on level 4.

AutoMaxx:
Get 16 wins on level 4.

Chrome und Flamen:
Get 27 wins on level 4.

Elaborare:
Get 3 wins on level 4.

Spoiler:
Get 11 wins on level 4.

Auto Motor:
Get 20 wins on level 5.

GTI:
Get 16 wins on level 5.

Import Tuner:
Get 4 wins on level 5.

Power:
Get 32 wins on level 5.

Street Car:
Get 9 wins on level 5.

Street Tuner:
Get 34 wins on level 5.

Stuff:
Get 20 wins on level 4.

Super Street:
Get 28 wins on level 5.

Swiss Tuner:
Get 25 wins on level 5.