Seeing as it is as low a a low thing, the leading edge of the silencer catches stuff.
This I have decided is why the damn thing keeps cracking, leaking and trying to fall off.
So I welded a wee skid on.
Nothing sexy but it should help.
DSC_0809 by quickrack, on Flickr
DSC_0808 by quickrack, on Flickr
Also I didnt bother to check UNDER where I was welding (I usually do)
Who knew sponges burned so damn well
DSC_0807 by quickrack, on Flickr