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Vehicle Info NeededK&NPART NUMBER: 599-RK-3951
RK-3951 Street Metal Intake System Harley-Davidson Motorcycles
$31499
Ships on Sep 03, 2026
Lowest Price Guarantee- Street Metal Intake System
- Harley-Davidson Motorcycles
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Emissions Note:
This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) #D-269-59
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeAir Cleaner Assembly
BrandK&N
Package Height4.8
Package Width9.5
Package Length12.0
Weight4.97 PG
Weight5 lb (2.3 kg)
Part CategoryPerformance Parts
Overall Height3.25 in (83 mm)
Estimated Horsepower Gain6.04 HP @ 4907 RPM
Air Filter IncludedYes
Top MaterialBlack Powder Coated
Carb Eo NumberD-269-59
Housing MaterialAluminum
Air Filter Height2.469 in (63 mm)
Mounting Hardware IncludedYes
Part FitmentDirect Fit
Replacement FilterE-3987
Vendor Part NumberRK-3951
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
