K&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.
Fits Ducati Models:
 M750 Monster 1996
 ST2 1997-2003
 ST4 1999-2003
 Monster 900 1999-2002
 Monster 900 City 1999
 Monster 900 Cromo 1999
 Monster 900 Dark 1999-2002
 Monster 900 Dark City 1999
 Monster 900S 1999-2001
 Monster 750 1999-2001
 Monster 750 City 1999
 Monster 750 Dark 1999-2001
 Monster 750 Dark City 1999
 900SS 1999
 750SS 1999
 Monster 900 Metallic 2000-2001
 Monster 900 I.E 2000-2002
 Monster 750 Metallic 2000-2001
 750SS I.E 2000-2001
 900SS I.E 2000-2001
 ST4S 2000-2005
 Monster 400 2001-2002
 Monster 400 Metallic 2001
 Monster 400 Dark 2002-2003
 ST4S ABS 2003-2005
 Monster 400S 2003
 800 Sport 2003
 620 Sport 2003
 1000SS 2003-2006
 ST3 2004-2007
 800SS 2004-2007
 ST3S ABS 2006-2007