FASCINATION ABOUT HONDA B16B

Can n e one convey to me what type of acquire in hp i should really b getting? Also so i'v looked at obtaining a mugen air filter an box to but there v expensive, dose n e a single no if its well worth getting one an what get I might get from it. Thanx AshtonB18 engines are dearer than B16, probably thanks to their popularity Amongst the car or tru