Just tried out the jsd 1 yesterday and love the part and want to send out props for the great work and easy plug and play. Yes you will notice the difference and love evey minute of it. :bigthumbsup: :bigthumbsup:
I installed the JSD-3M the other day - very easy plug and play mod.
I have to say I didn't really notice much of a difference though. Perhaps I need to get into the throttle more. Of course, I could blame it on not riding for a solid week but overall I'm happy with it.