Intake System-Harley Davidson

SKU
RK-3942
The K&N RK-3942 High-Flow Air Intake System increases engine intake airflow and delivering more horsepower & torque to your Harley-Davidson® motorcycle. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake System. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N High-Flow Air Filter is washable, reusable, pre-oiled and ready for installation.
  • Designed for Harley-Davidson motorcycles
  • Increase horsepower and torque
  • Easy to install
  • Made in USA
  • Backed by K&N warranty
Estimated Horsepower Gain9.32 HP @ 4803 RPM
Replacement FilterE-3980
Air Filter ColorRed
Air Filter MaterialCotton Gauze
WarrantyNo-Hassle Lifetime Limited
Product StyleMotorcycle Intake System
Air Filter ShapeOval
Air Filter Height2.188 in (56 mm)
CARB EO NumberD-269-55
Street Legal In All US StatesLegal for use in all 50 states.
TUV Approved (Europe)No
Inlet Diameter1.313 in (33 mm)
Overall Height2.188 in (56 mm)
Top MaterialBlack Powder Coated
Weight2.8 lb (1.2 kg)
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Mounting Hardware IncludedYes
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