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K&N RK-3933 5.0 out of 5 stars 1 Customer Review
Custom Assemblies > Intake System-Harley Davidson

List Price: $268.92
Your Price: USD $161.99

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RK-3933
 
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K&N’s Street Metal™ Series High-Flow Air Intake Systems provide a good looking appearance, offer increased airflow and deliver more horsepower & torque to your Harley-Davidson® motorcycle. These intake systems increase 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. A durable mounting gasket is also included to help absorb vibration. The K&N High-Flow Air Filter™ is washable, reusable, pre-oiled and ready for installation. Simple designed custom covers give this air intake good looks while powering down the highway or at your local show.

[RK Series Street Metal High Flow Air Intakes for Harley-Davidson Motorcycles]
  • Designed for Harley-Davidson motorcycles
  • Increase horsepower and torque
  • Easy to install
  • Made in USA
  • Backed by K&N warranty

Product Specifications

Estimated Horsepower Gain7 HP @ 5204 RPM
Air Filter ColorRed
Air Filter Height2.125 in (54 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
Air Filter ShapeRound Tapered
California RestrictedNot legal for sale or use in California
Clamp MaterialNo Clamps Required
Clamp StyleNo Clamps Required
Clamps IncludedNo
ColorRed
Filter MaterialCotton Gauze
Inlet Diameter2.281 in (58 mm)
Mounting Hardware IncludedYes
Neck Flange2.281 in (58 mm)
Overall Height2.375 in (60 mm)
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Product StyleMotorcycle Intake System
Replacement FilterHD-0800
Size6-8
Street Legal In All US States No
StyleRound
Top Material/FinishChrome
Top StyleChrome
TUV Approved (Europe)No
Weight4.2 lb (1.9 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews


  Excellent product, very easy to install, very clear instructions provided. The package got here quickly. Looks great, and improved the sound of the bike ('14 Heritage) immediately. I still have stock pipes on, but it definitely responds more quickly to the throttle. One note, it extends just a little farther out than the stock air intake.
Phil Texas