Activision Code:
0E3C7DF21645EBB3
0C0F9BDBF89A3E7F

Reverse Camera:
1CB1530BF8FCFEF1

Better Acceleration and more Speed:
1CB1530CF8FCFEF1

Subwater Effects:
1CB1530EF8FCFEF1

Helicopter View:
1CB1530FF8FCFEF1

Invisible Chassis:
1CB15310F8FCFEF1

Flying Cars in the Replay:
1CB15311F8FCFEF1

Physchedelic Effects:
1CB15312F8FCFEF1