FASCINATION ABOUT JDM HONDA ENGINE

Can n e one notify me what type of acquire in hp i ought to b acquiring? Also so i'v checked out obtaining a mugen air filter an box to but there v pricey, dose n e 1 no if its worth receiving 1 an what attain i'd get from it. Thanx AshtonMy knowledge consists of the development of engines for the two motorcycle and vehicle applications. I have wor