Replacing the deck is extemely simple, especially if you are installing a stock CD/Radio deck (which you can find for 50 - 75 bucks on Ebay. Your Neon is already wired to plug right in and will not...
Seriously my son lives there and the cars they drive are all here already, Toyota, Nissan, etc...If the wheel is on the right side, that would be the only way they wouldn't let you drive it
If the car is over 25 years old, then I think you can import it. For newer cars: If the car is the same as a model that is sold in the US and you can get a letter from the manufacturer stating that...