JDM HONDA REPLACEMENT ENGINE - AN OVERVIEW

Can n e one explain to me which kind of acquire in hp i need to b having? Also so i'v checked out acquiring a mugen air filter an box to but there v dear, dose n e 1 no if its value having one an what achieve I would get from it. Thanx AshtonThere are plenty of fairly cheap utilised JDM engines imported here to function bases for hybrid Civic swaps