DETAILS, FICTION AND B16B

Can n e 1 inform me what type of attain in hp i really should b getting? 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 worthy of getting one an what achieve i'd get from it. Thanx AshtonWhile some tasks like transforming oil is usually Do it yourself-ed with more than enough knowledge and inst