K&N 03-09 Ducati Multistrada 11.5in O/S L x 9.063in O/S W x 1.25in H Replacement Air FilterK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. This Part Fits: Year Make Model Submodel 2003 2004 Ducati Multistrada 1000 Base 2005 2006 Ducati Multistrada 1000 DS Base 2006 Ducati Multistrada 1000s DS