CheatCodes.com has all the official Maro Kart 7 3DS cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 18, 2013 for Maro Kart 7 are shown below.
In the mushrom cup drive in circles go around 5 times and then hit a mystery box.
Whenever you are just about to go off a ramp, press the R button to jump, exactly when you are at the edge of the ramp for a turbo boost. If you time it right, your character will perform a trick midair and you will receive increased speed for a short time.
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