THE 2-MINUTE RULE FOR JDM HONDA B16B

Can n e a person inform me what kind of attain in hp i ought to b getting? Also so i'v looked at acquiring a mugen air filter an box to but there v pricey, dose n e a single no if its truly worth acquiring just one an what gain i'd get from it. Thanx AshtonFor those trying to import an engine from Japan, acquiring among the JDM-spec B-Sequence engi