I got my quiet core today. It is very easy to install, you just remove 3 allen heads to take the end cap off, insert the quiet core, and put the cap back on. There is a recessed section of the pipe which is made for the quiet core to fit nicely in.
I only got about 15 miles on it, as I received it at the end of the day and had limited time. My initial impression is very positive. It definitely works, and does not change the exhaust note drastically. If anything it seems deeper at idle, and doesn't scream as loud on the top end. In my video you cant tell too much difference in decibel level, but you can tell how with the quiet core the sound does not resonate as loud at a distance. It is definitely quieter. I am very happy with it, and will be keeping it in. I do not notice any performance loss, like I said I think it has some more low end grunt which I like.
Without further delay, here is my video I did my best Steven Spielberg impression! Enjoy!
Anyone know how to embed on this forum? I copied the code, but it wont work. It works on vbulletin boards.
Like I said it is kinda hard to tell, but there is a difference. And it is very noticable in person as far as decibel level. This was taken on a basic sony handyam, so the quality isn't great.
And its my pleasure guys, I wish others would do this to compare. You can't get a feel for sound by just walking around a idling bike.