Harley Davidson FLSTF Fat Boy Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Harley Davidson FLSTF Fat Boy air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Harley Davidson FLSTF Fat Boy Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Harley Davidson FLSTF Fat Boy run better. Fast and FREE SHIPPING with any Harley Davidson FLSTF Fat Boy air filter

  1. 2017 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1614
    K&N
  2. 2016 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1614
    K&N
  3. 2015 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  4. 2014 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  5. 2013 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  6. 2012 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  7. 2011 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  8. 2010 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  9. 2009 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  10. 2008 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  11. 2007 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  12. 2006 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  13. 2005 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  14. 2004 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  15. 2003 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  16. 2002 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  17. 2001 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  18. 2000 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Special Price €69.69 Regular Price €92.99
    HD-1499
    K&N
  19. 1999 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  20. 1998 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  21. 1997 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  22. 1996 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  23. 1995 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  24. 1994 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  25. 1993 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  26. 1992 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  27. 1991 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
  28. 1990 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Special Price €77.49 Regular Price €103.29
    HD-1390
    K&N
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