Cheat Codes...
	Pro Tour mode...
	Track designer unlockable part...

Enter the codes under Extras -> Cheat Codes

Code - Effect

942785 - All Challenges
761492 - All Championships
112337 - All Rewards
611334 - Easy Steering
171923 - Free Drive
374288 - Miniature Cars
467348 - MM View
505303 - No Damage

100% completion in World Tour mode.

You can purchase extra parts to use in the track designer in the rewards shop.

Effect - Code

Track pieces 9-32 - Purchase 'street style'
Street style - Beat tier 13