New BMC Air Filter FM405/08 for 2000-2005 KTM 660 SMC.  

Filter is brand new, sealed in plastic as pictured.  Be sure this fits your application before purchase.    Retail boxes may show light shelf wear not affecting filters.  

00-up 400 SC   

00-up 400 SXC US   

94-98 620 DUKE   

00-01 620 SC SUPERMOTO    

02-up 625 SC SUPERMOTO  

99-06 640 DUKE    

04-06 640 LC4    

00-up 660 RALLYE   

Email with any questions and thanks for looking.