driver clothes problem

[GLADOSCHELL]

I've complete the game, win gold in all races, found all the views and the vehicles liveries. I've don't make any online race, there's not online players.
But, anyway, i have only 75/78 driver clothes! Now, where's the problem? Can someone help me?

[Vetron]

Do you have the Bonus Code items unlocked?

Pause the game and enter the following codes under "Bonus Codes" in the Options Menu for the desired unlockable:

48992519 — Camo Army Helmet
20061977 — Road Addict Jacket
91031985 — Speed Angel Shorts

Note: If you want a complete score under General Info, Progression, Driver Gear Pieces Owned 78/78, then you will need to activate the above bonus codes.

17121973 — Lightning Bolt livery for Mudhog
18021974 — Butterfly livery for Sludgeray
18041851 — Warrior vehicle

http://fuel.wikia.com/wiki/Bonus_Codes