Intake System-Harley Davidson

£309.99
In stock
SKU
RK-3947
The K&N RK-3947 High-Flow Air Intake System increases engine intake airflow and delivers more horsepower & torque to many Harley-Davidson FLT and FLH model motorcycles. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake 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.
  • Guaranteed increase in horsepower
  • Replaces the stock air filter and cleaner backing plate assembly
  • Washable, oversized K&N high-flow air filter for long service interval
  • Oversized black, powder coated aluminum backing plate provides solid mounting
  • Dyno tuned velocity stack directs airflow to engine
  • Built in breathers replace external OE breathers
  • Includes K&N Million Mile Limited Warranty
Estimated Horsepower Gain7.43 HP @ 4786 RPM
Replacement FilterE-3975
Air Filter ColorRed
Air Filter MaterialCotton Gauze
WarrantyNo-Hassle Lifetime Limited
Product StyleMotorcycle Intake System
Air Filter Height2.125 in (54 mm)
CARB EO NumberD-269-59
Street Legal In All US StatesSee Vehicle Applications
TUV Approved (Europe)No
Overall Height2.125 in (54 mm)
Top MaterialChrome
Package Quantity1
Weight4.3 lb (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
Cross References
Harley Davidson 2925308B
Harley-Davidson 2925308B
Vance & Hines 70041

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