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K&NPART NUMBER: 599-RK-3931
High-Performance Replacement Air Filter 2008-2016 Harley Davidson FXD All
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Harley-Davidson
High-Performance Replacement Air Filter2008-2016 Harley Davidson FXD All
K & N ENGINEERING INC RK-3931 Features:
K& N Air Cleaner Assemblies are designed to get more horsepower from your Harley-Davidson motorcycle. These air cleaner assemblies replace the stock air filter and backplate with an oversized K& N Air Filter and custom aluminum backing plate. These assemblies utilizes the stock cover to maintain stock appearance.Part TypeAir Cleaner Assembly
BrandK&N
Package Height4.87
Package Width9.5
Package Length11.75
Weight3.13 PG
Weight3.1 lb (1.406 kg)
Part CategoryPerformance Parts
Overall Height2.5 in (63.5 mm)
Estimated Horsepower Gain6.54 HP @ 5100 RPM
Filter ColorRed
Carb Eo NumberD-269-55
Couplers Included0
Size9 in (228.6 mm)
Clamp StyleNo Clamps Required
Rpm5100
Top StyleMetal
Air Filter Outlet ShapeNot Flanged
Inlet Diameter2.406 in (61.112 mm)
Clamps IncludedNo Clamps Included
Air Filter Height2.125 in (54 mm)
StyleTeardrop
Top Material/FinishAluminum
Horse Power Increase7 HP
Air Filter Inside Diameter0 in (0 mm)
Neck Flange2.406 in (61 mm)
ColorRed
Mounting Hardware IncludedYes
Filter MaterialCotton Gauze
Air Filter ShapeUnique
Replacement FilterE-3975
Clamp MaterialNo Clamps Required
Product StyleMotorcycle Intake System
Part FitmentDirect Fit
Vendor Part NumberRK-3931
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
