Put in Action Replay Max into your PS2 go to expert cheat mode take out your action replay max put in your Midnight Club 3: Dub Edition Remix game put in your codes and press start slect save codes.

1J69-EY35-2QDAY
AN7U-5Q3R-F6HJ2
262R-RN9Y-RP60H

Dumb AI
37687 VXV8-ZX22-CNNVQ
Z5GB-N5RD-MMJ5P
K16B-U5KR-AA9KV
KKVF-RNU4-BJQGU
2Y86-WMRQ-HARTX

Max Cash After Buying Parts/Cars
D4YJ-WFCF-2VU5D
T9PR-UZ0V-FY8AZ

No CPVs
FYV6-XDEW-WZU28
GCWD-ME1U-Z7UU5

No Pedestrians
TAY1-V4F3-7G239
08MM-KR84-HD26Y

No Traffic
73GP-BZU5-MUV6P
E4X5-B011-UKFXP

Normal Speed
BGZM-V98V-0YABB
6X7F-BYZ8-NK13W
WEPU-6F8M-CBHUE
1B9P-PH5F-XJNDC

Slow Motion
ZFZT-9GFN-MRWB1
5081-QVNZ-2C51J
PV5C-RVY8-VYKUM
5FG2-ZZ06-965T8

Turbo
37686 BCFY-92HU-MZZTH
FYQC-F18F-1Y2QY
5ZRP-GT2U-GJEGT
U5C2-E4CJ-HXEFW
R9MY-MUZ2-611PF
85G0-JP6P-X7NZG
4CJ1-WA4Z-F1R60

1 Opponent
BPGE-MNP8-YXJYB
GUH0-M9CT-X4KTF

2 Opponents
DP99-015Q-U18KU
YWVJ-8GN1-UV96X

3 Opponents
R283-VBPT-YUVPD
MAP5-9812-TA4Q6

No Opponent
76MC-4Z91-MYBCN
DC3N-EQBE-F0Z3C

Open Abilities
VN1W-QG3Y-GME1T
Y23G-AE2B-RCDV5

Open All
J0N8-5ZW1-H4Y3R
2PQ6-A0QT-58WG0

Open Cities
ZT1G-MNPD-KQ5TE
59N2-GKMH-MCNAB

Open Customisation
VJ07-T02Z-JMX6X
FP1E-7ZT7-9YZQV

Open Insanity
77MM-RBZX-10P42
8R64-M05Q-PUJCC

Open Races
NG33-DEHB-M5GQJ
R69A-47V5-JEQMP

Open Upgrades
JRRR-K61P-CUEYZ
10U6-CQV1-ANE0Z

Open Vehicles
QMK7-XUBE-F8KH2
ED9E-NT5H-6DX9V

Type these on the cheat menu dfens Agro (Special Move for SUVs and Trucks)
getheadl Bunny Ears (On MotorBike Rider)
urbansprawl Faster Pedestrians
trythisathome Flaming Head (On MotorBike Rider)
hyperagro Increase Car Mass In Arcade Mode
ontheroad No damage
getheadk Pumpkin Head (On MotorBike Rider)
getheadj Smiley Face (On MotorBike Rider)
getheadm Snowman Head (On MotorBike Rider)
roadtrip Unlocks All Cities in Arcade Mode
crosscountry Unlocks All Cities in Arcade Mode
allin Zone (Special Move for Sport Bikes, Tuners and Exotics)

There are all the codes