K&N RK-3956S Intake System-Harley Davidson
K&N

K&N RK-3956S Intake System-Harley Davidson

Part Number:RK-3956S
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 silver 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.
  • Built-in breathers replace external OE breathers
  • Cast aluminum high-volume, performance air intake housing in silver
  • Designed to improve throttle response and engine sound
  • Easy to install, usually in 90 minutes or less
  • Guaranteed to increase horsepower
  • Integrated internal velocity stack
  • Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection
Retail price
  • $299.99
Features
  • SKU
    RK-3956S
  • Brand
    K&N
  • CARB EO Number
    Please Refer to Vehicle Fitment Data for CARB EO Information
  • Estimated Horsepower Gain
    5.19 HP @ 4981 RPM
  • Filter Color
    Red
  • Filter Height
    2.406 in.
  • Filter Material
    Cotton Gauze
  • Filter Washable
    Yes
  • Includes Mounting Hardware
    Yes
  • Overall Height
    4.25 in.
  • Package Material
    Box
  • Package Material
    Corrugated
  • Product Style
    Motorcycle Intake System
  • Prop 65 - Required to list in California with Warning
    Yes
  • Prop 65 - Short Label
    WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
  • Prop 65 - Type
    Cancer and Reproductive
  • Prop 65 - Warning Image Label
    https://www.knfilters.com/images/l/prop65.jpg
  • Replacement Filter
    E-3988
  • TUV Approved (Europe)
    No
  • Top Color
    Silver
  • Top Finish
    Powder Coated
  • Warranty
    Limited Lifetime
  • Weight
    4.3 lbs. (1.9 kg)
Fitment
Installation
More Detail
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