I figured it was a good time to start this thread. Since more manufacturers are coming out with more options for the 2013 636 let's all post any new finds in this thread. We will get it stickied soon.
Here is what I've dug up so far.
Graves slip on.
A couple of users vids...
http://zx6r.com/zx6r/37629-2013-636-graves-clip-w-insert-without.html
2013 KAWASAKI ZX6R 636 with Graves exhaust - YouTube
http://zx6r.com/zx6r/36354-2013-zx6r-graves-slip.html
http://www.youtube.com/watch?v=LOv6OhLJ2LI
Here is what I've dug up so far.
Graves slip on.
A couple of users vids...
http://zx6r.com/zx6r/37629-2013-636-graves-clip-w-insert-without.html
2013 KAWASAKI ZX6R 636 with Graves exhaust - YouTube
http://zx6r.com/zx6r/36354-2013-zx6r-graves-slip.html
http://www.youtube.com/watch?v=LOv6OhLJ2LI