Here are some cheats and tips for the game FIFA Street.
Maximum speed, power, tackling, tricks, etc.:
Hold L + Y and press Left(3), Up, Down(2).
Mini-players:
Pause game play, then hold L + Y and press Up, Left, Down(2),
Right, Down, Up, Left.
Normal size players:
Pause game play, then hold L + Y and press Right(2), Up, Down(2),
Left, Right, Left.
All apparel:
Hold L + Y and press Up(2), Left, Up(3), Down, Left at the
main menu.
All apparel and footwear:
Hold L + Y and press Right(2), Left, Up(3), Down, Left at the
main menu.