Tuner shops in japan

[bboyt3nsk]

When i read magazines, and look at japanese sites, they always talk about tuner shops in japan.... and it seems like theres a tuner shop or some kind of shop on EVERY corner in japan...i dont know if anyone can answer this but is there really alot of shops in japan? or any other big cities

[PhoPower]

there are thousands of shop in japan that do all kinds of this and work on all kinds of cars