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K&N Engineering Part # KNNRK-3953S

K&N Street Metal Intake System Side Draft Dyna/Softail Silver Intake System-Harley Davidson - RK-3953S

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Ships from Buffalo, NYOur U.S. warehouse
Trusted since 2005Enthusiasts behind the counter

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

  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Cast aluminum high-volume, performance air intake housing in silver
  • 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

  • Housing Material: Aluminum
  • Air Filter Material: Cotton Gauze
  • CARB EO Number: D-269-59
  • Replacement Filter: E-3988
  • Warranty: No-Hassle Lifetime Limited
  • Air Filter Color: Red
  • Color / Finish: Red Filter, Silver Top
  • Top Material: Silver Powder Coated
  • Air Filter Included: Yes
  • Package Contents: 1 Air Filter
  • Air Filter Height: 2.39 in (61 mm)
  • Weight: 4.1 lb (1.9 kg)
  • Estimated Horsepower Gain: 4.24 HP @ 4358 RPM
  • Overall Height: 4.25 in (108 mm)
  • Street Legal In All US States: Legal for use in all 50 states

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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