Get The China Town Jam Track:
In Grand Prix mode with the Expert difficulty get first place on each course, and you will have the China Town Jam Track.
Get The Neo Speed Way Track:
In Grand Prix mode with the Intermediate difficulty get first place on each course, and you will have the Neo Speed Way Track.
Drive With The N64 Controller Cheat:
In Time Attack mode get a race time that ends in .064 seconds.
Get The Dominator:
Beat the game in first place in the Expert difficulty using the Black Lighting.
Get The Prowler:
Beat the game in first place in the Expert difficulty using the Hornet.
Get The Reaper:
Beat the game in first place in the Expert difficulty using the Shredder.
Get The Vengeance:
Beat the game in first place in the Expert difficulty using the Avenger.