RK-3938 - K&N Intake Kit - RK Series Street Metal High Flow Air Intakes

This part should fit your vehicle. It is a universal part.

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Part #: RK-3938
Notes: Custom Air Filter
Round Replacement Filter
MSRP: $489.79
Your Price: $279.99
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Specs

Air Filter Color Red
Air Filter Height 2.25 in (57 mm)
Air Filter Inside Diameter 6.125 in (156 mm)
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Not Flanged
Air Filter Shape Round
California Restricted Not legal for sale or use in California
Clamp Material No Clamps Required
Clamp Style No Clamps Required
Clamps Included No Clamps Included
Color Red
Estimated HorsePower Gain 10.67 HP @ 4882 RPM
Filter Material Cotton Gauze
Horse Power Increase 11 HP
Inlet Diameter 2.313 in (59 mm)
Mounting Hardware Included Yes
Neck Flange 2.313 in (59 mm)
Overall Height 4.75 in (121 mm)
Product Style Motorcycle Intake System
Replacement Filter E-3336
RPM 4882
Size 6-9
Style Round
Top Material/Finish Chrome
Top Style Chrome
Weight 4.6 lb (2.1 kg)

This Item Also Available In

Part Number Price Notes & Specs
RK-3936 $224.99 Notes Custom Air Filter
Round Replacement Filter
Air Filter Color Red
Air Filter Height 2.25 in (57 mm)
Air Filter Inside Diameter 6.125 in (156 mm)
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Not Flanged
Air Filter Shape Round
California Restricted Not legal for sale or use in California
Clamp Material No Clamps Required
Clamp Style No Clamps Required
Clamps Included No Clamps Included
Color Red
Estimated HorsePower Gain 10.67 HP @ 4882 RPM
Filter Material Cotton Gauze
Horse Power Increase 11 HP
Inlet Diameter 2.313 in (59 mm)
Mounting Hardware Included Yes
Neck Flange 2.313 in (59 mm)
Overall Height 4.75 in (121 mm)
Product Style Motorcycle Intake System
Replacement Filter E-3336
RPM 4882
Size 6-9
Style Round
Top Material/Finish Chrome
Top Style Chrome
Weight 4.5 lb (2 kg)
RK-3937 $335.99 Notes Custom Air Filter
Round Replacement Filter
Air Filter Color Red
Air Filter Height 2.188 in (56 mm)
Air Filter Inside Diameter 5.25 in (133 mm)
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Not Flanged
Air Filter Shape Unique
California Restricted Not legal for sale or use in California
Clamp Material No Clamps Required
Clamp Style No Clamps Required
Clamps Included No Clamps Included
Color Red
Estimated HorsePower Gain 10.67 HP @ 4882 RPM
Filter Material Cotton Gauze
Horse Power Increase 11 HP
Inlet Diameter 2.25 in (57 mm)
Mounting Hardware Included Yes
Neck Flange 2.25 in (57 mm)
Overall Height 4.75 in (121 mm)
Product Style Motorcycle Intake System
Replacement Filter E-3333
RPM 4882
Size 9-11
Style Standard
Top Material/Finish Chrome
Top Style Aluminum - Scalloped Design
Weight 4.8 lb (2.2 kg)
RK-3939 $334.99 Notes Custom Air Filter
Round Replacement Filter
Air Filter Color Red
Air Filter Height 2.188 in (56 mm)
Air Filter Inside Diameter 0 in (0 mm)
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Not Flanged
Air Filter Shape Unique
California Restricted Not legal for sale or use in California
Clamp Material No Clamps Required
Clamp Style No Clamps Required
Clamps Included No Clamps Included
Color Red
Estimated HorsePower Gain 10.67 HP @ 4882 RPM
Filter Material Cotton Gauze
Horse Power Increase 11 HP
Inlet Diameter 2.25 in (57 mm)
Mounting Hardware Included Yes
Neck Flange 2.25 in (57 mm)
Overall Height 4.75 in (121 mm)
Product Style Motorcycle Intake System
Replacement Filter E-3333
RPM 4882
Size 9-11
Style Standard
Top Material/Finish Chrome
Top Style Aluminum - Scalloped Design
Weight 4.8 lb (2.2 kg)

All Fitments

UNIVERSAL
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 NON APPLICATION SPECIFIC ALL ALL ALL ALL ALL ALL

Product Description

K&N’s RK Series Street Metal high flow air intake systems 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 and has a built in breather system to direct pressure from the breather bolts into the throttle body opening and not out into the air filter. Street Metal air intake systems include a high flow air filter which provids low restriction airflow and long air filter service intervals. K&N Street Metal series high flow air intake systems are equipped with custom designed aluminum covers to make sure your air cleaner looks good while powering down the highway or at your local show.

  • Guaranteed Increase in Horsepower
  • Aggressive appearance while providing outstanding airflow
  • Completely replaces stock air cleaner assembly
  • Washable, oversized K&N high flow air filter
  • Provides excellent filtration and long service intervals
  • Aluminum backing plate with integrated velocity stack
  • Built-in breathers replace external OE breathers**
  • High quality mirror finish aluminum cover
  • K&N Drycharger® available for use in extremely dusty conditions
  • Includes K&N Million Mile Limited Warranty®

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