$74.99 USD
MSRP $101.29 26.0% Off
Free Ground Shipping!
In Stock & Ready to Ship!
Find a Dealer

K&N RT-320B Replacement Air Filter

Performance Products > Replacement Air Filter
  • High air flow with excellent filtration
  • Washable and reusable air filter
  • Designed to add power
  • Excellent engine protection
The K&N custom air cleaner below was designed to fit Harley-Davidson® motorcycles. This K&N air cleaner is not street legal nor recommended by Harley-Davidson Motor Co., Inc. K&N custom air cleaners can increase horsepower with proper carburetor calibration. For stock K&N replacement filters that fit Harley-Davidson motorcycles, see our application search.

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

Product Specifications

Air Filter ColorRed
Air Filter Height2 in (51 mm)
Air Filter Inside Diameter4 in (102 mm)
Air Filter MaterialCotton Gauze
Air Filter ShapeRound
Filter MaterialCotton Gauze
Height2 in (51 mm)
Inlet Diameter2.063 in (52 mm)
Inside Diameter4 in (102 mm)
Mounting Hardware IncludedYes
Neck Flange2.625 in (67 mm)
Outside Diameter5.25 in (133 mm)
Overall Height2.25 in (57 mm)
Product Box Height3.5 in (89 mm)
Product Box Length6.31 in (160 mm)
Product Box Width6.56 in (167 mm)
Product StyleCustom Assemblies
Replacement FilterE-3200
Top Material/FinishChrome
Top StyleMetal
Weight1.3 lb (0.6 kg)

K&N RT-320B Replacement Air Filter Product Reviews