Loads of race credits:
 801E371C 4236
 801E371E 0098

Loads of race credits (Extra GP):
 801E6500 9676
 801E6502 0098

Infinite chances:
 801E396A 0003

Infinite chances (Extra GP):
 8009DF22 0003

Infinite cash for shop:
 8019BFB0 9676
 8019BFB2 0098

Compulsory AT specification:
 8009DEAC 0000

Selected car = Age Alouette:
 801E45BD 0001

Selected car = Age Pegase:
 801E45CD 0201

Selected car = Gnade Esperanze:
 801E45D5 0301

Selected car = Lizard Instinct:
 801E45DD 0401

Selected car = Lizard Bayonet:
 801E45E5 0501

Selected car = Lizard Hijack:
 801E45ED 0601

Selected car = Assoluto Fatalita:
 801E45F5 0701

Selected car = Assoluto Istante:
 801E45FD 0801

Selected car = Assoluto Ghiepardo:
 801E4505 0901

Selected car = Age Victoire:
 801E450D 0A01

Selected car = Lizard Tempest:
 801E4515 0B01

Selected car = Assoluto Dragone:
 801E451D 0C01

Unlock Grand Prix Classes 1-5 (Note 1):
 8009DD4C 0004
 801E3718 0004

Unlock Extra Grand Prix:
 8019C168 0001

Always place 1st (Note 2) /TD>:
 8009DEDC 0001

Enable all Cars, Stock Grade:
 801E45BC 0100
 801E45DC 0104
 801E45C4 0101
 801E45E4 0105
 801E45F4 0107
 801E45CC 0102
 801E45EC 0106
 801E45FC 0108
 801E4604 0109
 801E460C 0110
 801E4614 0112
 801E461C 0111

Fully upgrade all Cars:
 801E45D0 0104
 801E45B8 0203
 801E45D8 0003
 801E45C0 0302
 801E45E0 0002
 801E45F0 0202
 801E45C8 0401
 801E45E8 0001
 801E45F8 0201

Enable all Cars, Stock Grade (Extra GP):
 8019BFC0 0100
 8019BFE0 0104
8019BFC8 0101
8019BFE8 0105
8019BFD8 0107
8019BFD0 0102
8019BFF0 0106
8019C000 0108
8019C008 0109
8019C010 0100
8019C018 0100
8019C020 0100

Fully upgrade all Cars (Extra GP):
 8019BFD4 0104
 8019BFBC 0203
 8019BFDC 0003
 8019BFC4 0302
 8019BFE4 0002
 8019BFF4 0202
 8019BFCC 0401
 8019BFEC 0001
 8019BFFC 0201

Max Speed:
 8009DECE 0FFF

Select Car 1 (Note 3):
 8009A5A4 000A

Select Car 2 (Note 3):
 8009A5A4 000B

Select Car 3 (Note 3):
 8009A5A4 000C

Note : Only use normal codes in the Normal GP modes, and only use the Extra codes in the Extra GP
modes. Use of either in the wrong mode can lead to strange behaviour!

Note 1 :
Turn OFF GS/PAR during initial game boot up.
Turn ON GS/PAR in "track selection" screen then save your game, reset, and discard the code.

Note 2 : The display will show actual position, but upon finishing, you will be 1st.

Note 3 : Only one of these codes can work at any time.