i was wondering if u can add in a turbo with the jdm itr engine .. i heard sum ups and downs about it but i wanna know a little more about it ... hopefuly i will get alot of answers..

hopefully you will learn that you can get a lot more answers buy using the search button.

Pointless. Type R engines are N/A beasts. Their compression is way too high to boost in stock form reliably. If you're looking for a motor to boost from the factory look at B18B's. They have the best compression out of all the B series motors to boost with.