Aidi> the point no.5 is the most import, and must do to gain more hp.....hahahahahah1) Put in some voltage stabilizers. i.e Hot Inazma Hyper, Guang Dao Turbo, Guang Dao LV, etc.
2) Change to K&N drop in filter.
3) Change to lighter rims.
4) Straight flow muffler.
5) Change to red honda emblem.....add 2hp