Cheat Need for Speed: Most Wanted Play Station

Extra Money:
If you start a new career with a memory card with Need for Speed Underground 2 file on it you get extra money when starting out.

Start Screen Unlocks:
Enter at the start screen.
Unlocks Castrol SYNTEC Ford GT Left, Right, Left, Right, Up, Down, Up, Down
Unlocks Burger King Challenge Up, Down, Up, Down, Left, Right, Left, Right
Unlocks an Extra Marker for use in shop. Up, Up, Down, Down, Left, Right, Up, Down

Special Marker:
Enter at title screen
You will be able to use in the Backroom of the One Stop Shop
unlock a marker up,up,down,down,left,right,up,down

Porsche Cayman S in demo:
Porsche Cayman S unlock in most wanted demo. Enter cheat at start menu.
unlocks Porsche Cayman S L1, R1, R1, R1, Right, Left, Right, Down

Unlockable Burger King Challenge:
Input UP, DOWN, UP, DOWN, LEFT, RIGHT, LEFT, RIGHT on the Press Start screen.

Unlock Ford SYNTEC Car:
Input LEFT, LEFT, RIGHT, RIGHT, UP, DOWN, UP, DOWN on the Press Start screen.

Unlockable Cars:
Ashton Martin DB9 - Beat #7, Kaze
Audi A3 3.2 Quattro - Beat #15, Sonny
Audi A4 3.2 FSI Quattro - Beat #14, Taz
Audi TT 3.2 Quattro - Beat #15, Sonny
BMW M3 GTR - Beat #1, Razor
Cadillac CTS - Beat #12, Izzy
Chevrolet C6.R - Complete the game 100%
Chevrolet Cobalt SS - Available from start
Dodge Viper SRT 10 - Beat #6, Ming
Fiat Punto - Available from start
Ford GT - Beat #4, JV
Ford Mustang GT - Beat #12, Izzy
Ford GT (Castrol Syntec version) - Enter cheat code
Lamborghini Gallardo - Beat #6, Ming
Lamborghini Murcielago - Beat #4, JV
Lexus IS300 - Available from start
Lotus Elise - Beat #8, Jewels
Mazda RX-7 - Beat #9, Earl
Mazda RX-8 - Beat #12, Izzy
Mercedes-Benz CLK 500 - Beat #8, Jewels
Mercedes-Benz SL 500 - Beat #11, Big Lou
Mercedes-Benz Sl65 AMG - Complete Challenge Series #68
Mercedes-Benz SLR McLaren - Beat #3, Ronnie
Mitsubishi Eclipse - Beat #14, Taz
Mitsubishi Lancer Evolution VIII - Beat #11, Big Lou
Pontiac GTO - Beat #10, Baron
Porsche 911Carrera S - Beat #7, Kaze
Porsche 911 Turbo S - Beat #5, Webster
Porsche Carrera GT - Beat #3, Ronnie
Porsche Cayman S - Beat #10, Baron
Renault Clio V6 - Beat #13, Vic
Subaru Impreza WRX STI - Beat #9, Earl
Toyota Supra - Beat #13, Vic
Vauxhall Monaro VXR - Beat #10, Baron
Volkswagen Golf GTI - Available from start

Hint: Straight Drivin':
Engaging nitrous oxide shifts the weight of the car and in layman's terms, your car will attempt to straighten out. Combined with speedbreaker, it is possible to take on almost any turn without an appreciable loss of speed.

Hint - Slip Locations:
I went through and found out which marker combos you need to pick to get blacklist pink slips.

#15 SONNY - Middle marker then any other one you choose.
#14 TAZ - Middle marker then any other one you choose.
#13 VIC - Middle marker then the left one.
#12 IZZY - Middle marker then any other one you choose.
#11 BIG LOU - Middle marker then any other one you choose.
#10 BARON - Middle marker then the left one.
#09 EARL - Middle marker then the left one.
#08 JEWELS - Middle marker then the left one.
#07 KAZE - Middle marker then the left one.
#06 MING - Middle marker then the left one.
#05 WEBSTER - Middle marker then the left one.
#04 JV - Middle marker then any other one you choose.
#03 RONNIE - Middle marker then the right one.
#02 BULL - Middle marker then the left one.
#01 RAZOR - Get all your milestones and race events complete to challenge razor and get your car back from him. Then out run police and finish the game.

Easter Egg: Porsche Cayman S In Demo
Input L1, R1, R1, R1, RIGHT, LEFT, RIGHT, DOWN on the Press Start screen.

Easter Egg: Special Marker:
Input UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, DOWN on the Press Start screen. Entry to the shop's backroom is now possible.