NASCAR Racing 2002 Season

NASCAR Racing 2002 Season cheat codes: 
No roof flaps:
Note: This procedure involves editing a game file; create a backup
copy of the file before proceeding. Use a text editor to edit the
"nr2k2" file in the game folder. Go to "PLAYERS", go to your player,
then go to "PLAYER" (not PLAYRECS). The first number you see should
be "1". Change it to "0". When you play the game and go backwards at
a fast enough speed, you will fly into the air and possibly do some
flips.