Decades ago, the Sunbeam S8 had flexible hose between the pipes and the muffler, because the weld used to break due to vibration.
![](http://upload.wikimedia.org/wikipedia/commons/7/7c/Sunbeam_S8_1951.jpg)
One good thing about using it is that it looks cool while you hide you inability to weld bends or your lack of a tube-bending machine...
![Grin ;D](http://forums.sohc4.net/Smileys/default/grin.gif)
Again, that's a cool bike!!!! -the Sunbeam too...-