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K&N Cold Air Intakes for the Harley Davidson FLFB Fat Boy

Harley Davidson FLFB Fat Boy Aftermarket Cold Air Intakes

Buy now from the K&N Store and get a 100% money back guarantee on any cold air intake!
  • Designed to increase power and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Add more horsepower to your Harley Davidson FLFB Fat Boy with a K&N cold air intake.
K&N Powersports Cold Air Intake System
Vehicle DescriptionPart NumberProduct Image 
2018 Harley Davidson FLFB Fat Boy 107 CI - All Models
Motorcycle
2018 Harley Davidson FLFB Fat Boy 107 CI Aircharger Cold Air Intake
63-1138 63-1138 Harley Davidson FLFB Fat Boy Aircharger Cold Air Intake
List Price: $508.79
Factory Direct Price: $431.99
2018 Harley Davidson FLFB Fat Boy 107 CI - All Models
Motorcycle
2018 Harley Davidson FLFB Fat Boy 107 CI Aircharger Cold Air Intake
63-1138C 63-1138C Harley Davidson FLFB Fat Boy Aircharger Cold Air Intake
List Price: $529.09
Factory Direct Price: $449.99
2018 Harley Davidson FLFB Fat Boy 107 CI - All Models
Motorcycle
2018 Harley Davidson FLFB Fat Boy 107 CI Aircharger Cold Air Intake
63-1139 63-1139 Harley Davidson FLFB Fat Boy Aircharger Cold Air Intake
List Price: $403.99
Factory Direct Price: $343.39
2018 Harley Davidson FLFB Fat Boy 107 CI - All Models
Motorcycle
2018 Harley Davidson FLFB Fat Boy 107 CI Aircharger Cold Air Intake
63-1139S 63-1139S Harley Davidson FLFB Fat Boy Aircharger Cold Air Intake
List Price: $418.99
Factory Direct Price: $356.14