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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: $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 Gain:7 HP @ 5204 RPM
Air Filter Color:Red
Air Filter Height:2.125 in (54 mm)
Air Filter Material:Cotton Gauze
Air Filter Outlet Shape:Not Flanged
Air Filter Shape:Round Tapered
California Restricted:Not legal for sale or use in California
Clamp Material:No Clamps Required
Clamp Style:No Clamps Required
Color:Red
Filter Material:Cotton Gauze
Inlet Diameter:2.281 in (58 mm)
Intake Pipe Ports:All intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter Included:Mass Air Flow Sensor Adapter Included When Required
Mounting Hardware Included:Yes
Neck Flange:2.281 in (58 mm)
Overall Height:2.375 in (60 mm)
Part Number:RK-3933
Product Box Height:4.88 in (124 mm)
Product Box Length:11.75 in (298 mm)
Product Box Width:9.5 in (241 mm)
Product Style:Motorcycle Intake System
Replacement Filter:HD-0800
Size:6-8
Street Legal In All US States:No
Style:Round
Top Material/Finish:Chrome
Top Style:Chrome
TUV Approved (Europe):No
Vacuum Tubing Included:No
Weight:4.2 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