SHOP FOR YOUR VEHICLE
RK-3953
$203.99 USD
MSRP $239.99 15.0% Off
Free Ground Shipping!
In Stock & Ready to Ship! Find a Dealer

K&N RK-3953 Intake System-Harley Davidson

Custom Assemblies > Intake System-Harley Davidson
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Cast aluminum high-volume, performance air intake housing in black
  • Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection
  • Integrated internal velocity stack
  • Built-in breathers replace external OE breathers
  • Easy to install, usually in 90 minutes or less
K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If you’re looking for an aggressive appearance but want a significant increase in airflow, resulting in more power, this high-flow air intake system is exactly what your Harley needs. Installation is so simple, it can usually be done in 90 minutes or less. The K&N air filter is washable, reusable, pre-oiled and ready for installation. This intake system features an updated, modern look with an oval-shaped matte black housing. Silver details and sanded fins further enhance the streamlined look. Internal breathers provide a sleek, clean appearance. This air intake has a classic styling with a savage appeal. These K&N air intakes are street legal in most states. They are not legal for use in California and other states adopting California emission standards.

[RK Series Street Metal High Flow Air Intakes for Harley-Davidson Motorcycles]

Product Specifications

Estimated Horsepower Gain4.24 HP @ 4358 RPM
Replacement FilterE-3988
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Warranty3 Months
Product StyleMotorcycle Intake System
Air Filter Height2.39 in (61 mm)
CARB EO NumberD-269-59
Street Legal In All US StatesYes
TUV Approved (Europe)No
Overall Height4.25 in (108 mm)
Top MaterialBlack Powder Coated
Package Contents1 Air Filter
Package Quantity1
Weight4.1 lb (1.9 kg)
Product Box Height4.8 in (122 mm)
Product Box Length12 in (305 mm)
Product Box Width9.5 in (241 mm)
Housing MaterialAluminum
Mounting Hardware IncludedYes
Horsepower gains based on similar vehicle dynamometer test. Results will vary.
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N RK-3953 Intake System-Harley Davidson Product Reviews