There is event like D1 in Korea.. called DDGT
http://www.ddgt.co.kr
and I know few people who owns shops near seoul.. one of person was DDGT champion
Most of cars in Korea are lame... because of stupid Govmt.. but you could import cars from Japan very easier than U.S or Canada...
Or there are tons of used RHD cars for sales which has been imported from Japan.
http://www.bobaedream.co.kr
^
this is one of largest online used car sale website.. most of them are sold by dealers
Let me know if you want me to give you shop informations... not sure if they speak English
but I am sure driving will do the talks... LOL