Yes, it will make you bike run and feel smoother. Better throttle response and throttle control, hell the whole rpm band feels smoother. There is also some power to be gained 4-6 HP when mapped properly. I say its worth it.
i would pick one up and find the a good map to run.
from what i have read on doing research it makes a difference even with a slip especially if you are going to use a k&n filter or a bmc race filter.
i am getting one because i will be getting the kit from my girl for christmas that comes with a yosh rs-5 stainless steel yosh pipe with power commander and k&n filter for 550 shipped which is a steal i think.
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