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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
    Regular Price €103.29 Special Price €82.59
    HD-1614
    K&N
  2. 2016 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1614
    K&N
  3. 2015 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  4. 2014 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  5. 2013 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  6. 2012 Harley Davidson FLSTF Fat Boy 103 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  7. 2011 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  8. 2010 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  9. 2009 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  10. 2008 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  11. 2007 Harley Davidson FLSTF Fat Boy 96 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  12. 2006 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  13. 2005 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  14. 2004 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  15. 2003 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  16. 2002 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  17. 2001 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  18. 2000 Harley Davidson FLSTF Fat Boy 88 CI air filter
    Regular Price €92.99 Special Price €74.39
    HD-1499
    High-Flow Original Lifetime Engine Air Filter - HARLEY DAVIDSON TWIN CAM/ SOFTAIL MODELS
  19. 1999 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  20. 1998 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  21. 1997 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  22. 1996 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  23. 1995 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  24. 1994 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  25. 1993 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  26. 1992 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  27. 1991 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
  28. 1990 Harley Davidson FLSTF Fat Boy 82 CI air filter
    Regular Price €103.29 Special Price €82.59
    HD-1390
    K&N
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