Warrior buggy:
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Enter "18041851" as a code to unlock the Warrior buggy.

Mudhog Lightning Bolt livery:
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Enter "17121973" as a code to unlock the Mudhog Lightning Bolt livery.

Sludgeray Butterfly livery:
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Enter "18021974" as a code to unlock the Sludgeray Butterfly livery.

"Camo" helmet:
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Enter "48992519" as a code to unlock the "Camo" helmet.

"Road Addict" jacket:
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Enter "20061977" as a code to unlock the "Road Addict" jacket.