Various cheats
     Type  these  codes  at  the  intro  screen (the one that comes up
before  the  main  menu  that  says "Press Enter" -- right before your
profile is loaded). If accepted, a small beep will be heard.

Cheat code:             Result:
needperformance1        Unlock Performance Parts Level 1
needperformance2        Unlock Performance Parts Level 2
gimmevisual1            Unlock Visuals Level 1
gimmevisual2            Unlock Visuals Level 2
regmebaby               Unknown Effect
ordermebaby             Unknown Effect
regmybank               Unknown Effect

Unlock Sponsor Cars
     These codes are entered the same way and will unlock SPONSOR cars
that  can be selected by switching the car selection option to SPONSOR
CARS from ALL CARS (using the right/left arrows on the menu).

Cheat code:             Result:
opendoors               The Doors GTO
gimmechingy             Chingy Navigator
tunejapantuning         Japan Tuning G35
davidchoeart            David Choe Corolla
shinestreetbright       Shine Street Lexus IS 300
wannacapone             Capone H2
wantmyd3                D3 Eclipse

Unlock Sponsor Vinyls
     These  codes  are  entered  the  same way and will unlock sponsor
vinyls.  These  are  selected  under the CUSTOMIZE menu, under VINYLS.
Scroll  all  the  way  to  the  right  and  you  will see SPONSOR as a
selection.

Cheat code:             Result:
needmybestbuy           Best Buy
goforoldspice           Old Spice
gotmycingular           Cingular
gottahavebk             Burger King
gottaedge               Edge