Here's the page for the Ragnar Cut.
http://luiscajiga.com/Exhaustm.htmClick the arrow at the bottom to go to page 2.
I've done the Ragnar Cut, and really like it. Right now, I have on a set of TBR's 6 / 6 . I've switched back and forth between the stock pipes w/ Ragnar Cut and the TBR's a couple times. The both sound good.
If you decide to do the Ragnar, there's no going back once you do it.. There are some video's on Youtube of the Ragnar cut. It might give you a better idea of how it sounds before you cut.
Some folk's have complained of the sound resonating (<---spelling ?) in their helmet's at highway speed. I haven't had that problem.
EDIT: I have
18" Air Flow tip's on the pipes with the Ragnar Cut. I'm pretty sure they help with the sound.