Is it ok to use a sub enclosure that was made for a truck inside a
small hatchback? I was looking at sub enclosures by Qlogic, and they
have an enclosure for a 10" sub that is designed to use in a truck. The
size and shape of this enclosure would be perfect size for my car.

Would using this enclosure have any effect on the performance or the
subwoofer's sound?

The enclosure I am talking about can be found he

http://www.circuitcity.com/ssm/Q-Log...oductDetail.do