Deceased 02/10/2010 - R.I.P.
Ducati Corse
Posts: 3,170
Join Date: Feb 2002
Location: Darlington, Co. Durham
Mood: NGRRC Minitwins champion 2007
998 has the Testastretta (sp?) motor - different external dimensions and probably different positioning of the exhaust outlet - probably means that the downpipes and link pipes are all different as well so, this might explain the difference in silencers.
[Edited on 3-5-2006 by twpd]