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The guys leave their marks on the Las Vegas Motor Speedway in this bonus scene from "American Aftermarket."
Adam needs backup when his ride gets stuck while bouldering the Rubicon Trail in this web exclusive from "Rubicon Trail."
Tanner flies to Sweden to test-drive a $3 million Koenigsegg hypercar in this web exclusive from "America vs. Europe."
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He demonstrates the bukkehorn, the tagelharpa and the lyre