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RK-3929
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K&N RK-3929 Intake System-Harley Davidson

Custom Assemblies > Intake System-Harley Davidson
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   1 Customer Review
  • Increases power
  • Washable and reusable
  • Provides increased air flow
  • Fits inside stock cover
The K&N RK-3929 Intake System-Harley Davidson fits some Harley Davidson XL1200C Sportster Custom, Harley Davidson XL1200L Sportster Low, Harley Davidson XL1200N Sportster Nightster, Harley Davidson XL1200R Sportster Roadster, Harley Davidson XL1200X Forty-Eight, Harley Davidson XL50 50th Anniversary Sportster, Harley Davidson XL883 Sportster, Harley Davidson XL883C Sportster Custom, Harley Davidson XL883L Sportster Low, Harley Davidson XL883L SuperLow, Harley Davidson XL883N Iron, and Harley Davidson XL883R Sportster models. See vehicle applications link for details.
K&N's Sportster RK Series Air Cleaner will get more horsepower from your Harley Davidson Sportster motorcycle. This complete assembly fits inside the stock air cleaner cover, and provides a significant increase in airflow.

[More Information on High-Flow Air Intake Systems for Harley-Davidson Motorcycles]

Product Specifications

Estimated Horsepower Gain4.4 HP @ 5497 RPM
Air Filter ColorRed
Air Filter Height2.25 in (57 mm)
Air Filter Inside Diameter8.063 in (205 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
Air Filter ShapeOval
CARB EO NumberD-269-35/55
Clamp MaterialNo Clamps Required
Clamp StyleNo Clamps Required
Clamps IncludedNo Clamps Included
Inlet Diameter2.5 in (64 mm)
Mounting Hardware IncludedYes
Neck Flange2.5 in (64 mm)
Overall Height2.5 in (64 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 FilterE-3040
Size10-12
Street Legal In All US StatesYes
StyleOval
Top MaterialAluminum
Top StyleMetal
TUV Approved (Europe)No
Weight3.1 lb (1.4 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N RK-3929 Intake System-Harley Davidson Product Reviews

Friday, October 28, 2016 - Part RK-3929
Fast delivery, helpful staff and a great product.

Adam Anasinski
Golf, Illinois