Check out these website. There's a couple DIY that will help increase horsepower. Keep in mind, a lot of people don't have much money to play with. That's why when some figure a way how to do something that requires little money, they place the steps so everyone can do it. But please remember, you are doing it at your own risk. You can also sign up for free membership and ask as many questions as you want.Hope this help.http://www.tegger.com/hondafaq/faq.h...om/help.asp...