Interesting timing - I complained to SIl-motor and they have responded by telling me the silencers I'm trying to fit are actually for a 97 onwards SS.
Not sure if this link will work but here goes:
http://www.daniele-moto.de/shop_star...%20Sportzwecke Frank
ps Nothing much on their Ebay site either at present but here is the link for that as well:
http://stores.ebay.de/Daniele-Moto-I...enameZl2QQtZkm