Unless something has changed in the last 6 mos., there is not an aftermarket box for our bikes. If you are only turning 5500 RPM max, there may be something wrong. You should be getting better than 7500. There has been a lot of discussion on this site already about the ignition system. Do a search and see what you come up with. Searching the internet on that topic acually drew me to this site. Chech the archives too. That topic has been discussed for years.
Have a great one!
