Are jdm cars legal in the united states?

if i buy a car from japan can they ship it to the united states and it be legal?Are jdm cars legal in the united states?
its legal to ship it here, not legal to drive without meeting emissions requirements and DOT standards first.Are jdm cars legal in the united states?
has to be shipped to canada and then to the united states .

has to be upgraded to U.S. Emissions specs.Are jdm cars legal in the united states?
NO. But you modify it to meet USA regs, but if it is an imported model they're cheaper.

yamaha atv