Harley Davidson FLHRSI Road King Custom F/I Performance Cold Air Intakes

Buy now from the K&N Store and get a 100% Money Back Guarantee on any cold air intake system!

  • Designed to increase power and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance, usually in 90 minutes or less

Add more horsepower to your Harley Davidson FLHRSI Road King Custom F/I with a K&N cold air intake system. K&N Harley Davidson FLHRSI Road King Custom F/I cold air intakes are easy to install and add power & acceleration while protecting the vehicle's engine.

  1. 2006 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 30,456.37 Regular Price RSD 40,607.72
    57-1125
    K&N
  2. 2006 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 30,456.37 Regular Price RSD 40,607.72
    57-1125P
    K&N
  3. 2006 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 21,029.21 Regular Price RSD 28,038.16
    57-1137S
    K&N
  4. 2006 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 25,380.12 Regular Price RSD 33,839.77
    57-1137
    K&N
  5. 2005 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 30,456.37 Regular Price RSD 40,607.72
    57-1125P
    K&N
  6. 2005 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 30,456.37 Regular Price RSD 40,607.72
    57-1125
    K&N
  7. 2005 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 25,380.12 Regular Price RSD 33,839.77
    57-1137
    K&N
  8. 2005 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 21,029.21 Regular Price RSD 28,038.16
    57-1137S
    K&N
  9. 2004 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 30,456.37 Regular Price RSD 40,607.72
    57-1125
    K&N
  10. 2004 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 30,456.37 Regular Price RSD 40,607.72
    57-1125P
    K&N
  11. 2004 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 25,380.12 Regular Price RSD 33,839.77
    57-1137
    K&N
  12. 2004 Harley Davidson FLHRSI Road King Custom F/I 88 CI air intake
    Special Price RSD 21,029.21 Regular Price RSD 28,038.16
    57-1137S
    K&N
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