K&N · RK-3931
Part #: RK-3931
UPC: 024844244147
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Description: Intake System; K&N Air Cleaner Assemblies are designed to get more horsepower from your Harley-Davidson motorcycle. These assemblies utilizes the stock cover to maintain stock appearance.
Description:
Description
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.
Features & benefits
- Designed to increase horsepower & torque
Application summary
| Year | Make / model |
|---|---|
| 2012-2016 | Harley-Davidson FLD Switchback |
| 2008-2010 | Harley-Davidson FXD Dyna Super Glide |
| 2008-2014 | Harley-Davidson FXDB Street Bob |
| 2008-2014 | Harley-Davidson FXDC Super Glide Custom |
| 2008-2016 | Harley-Davidson FXDF Fat Bob |
| 2008-2009 | Harley-Davidson FXDL Dyna Low Rider |
| 2014-2016 | Harley-Davidson FXDL Dyna Low Rider |
| 2014-2016 | Harley-Davidson FXDL Low Rider |
| 2008 | Harley-Davidson FXDWG Dyna Wide Glide |
| 2010-2016 | Harley-Davidson FXDWG Dyna Wide Glide |
Specifications
- GTIN
- 00024844244147
- Weight
- 3.13 lb
- Height
- 4.88 in
- Length
- 11.75 in
- Width
- 9.5 in
- EO
- Legal US
- Life cycle
- Discontinued
- Alt. part number
- RK-3931
- AAM brand code
- KAN
- Warehouse brand code
- KAN
- AAIA brand code
- BBWQ
Attributes
- Air Box Included
- No
- Air Filter Color
- Red
- Air Filter Height
- 2.125 in (54 mm)
- Air Filter Inside Diameter
- 0 in (0 mm)
- Air Filter Material
- Cotton Gauze
- Air Filter Outlet Shape
- Not Flanged
- Air Filter Shape
- Unique
- Air Filter Washable
- Yes
- Alternate Part Number
- RK-3931
- CARB EO Number
- D-269-59
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Clamp Color/Finish
- Not Applicable
- Clamp Material
- No Clamps Required
- Clamp Style
- No Clamps Required
- Clamps Included
- No Clamps Included
- Color / Finish
- Red Filter, Aluminum Top
- Couplers Included
- None
- Estimated Horsepower Gain
- 6.54 HP @ 5100 RPM
- Horse Power Increase
- 7 HP
- Inlet Diameter
- 2.406 in (61 mm)
- Mass Air Flow Sensor Adapter Included
- No
- Mounting Hardware Included
- Yes
- Neck Flange
- 2.406 in (61 mm)
- Oil Included
- Yes
- Overall Height
- 2.5 in (64 mm)
- Package Material
- Paperboard
- Package Type
- Box
- Product Box Height
- 4.88 in (124 mm)
- Product Box Length
- 11.75 in (298 mm)
- Product Box Width
- 9.5 in (241 mm)
- Product Style
- Motorcycle Intake System
- RPM
- 5100
- Replacement Filter
- E-3975
- Size
- 9 Inch
- Street Legal In All US States
- Legal for use in all 50 states.
- Style
- Teardrop
- TUV Approved (Europe)
- No
- Title
- K&N RK-3931 Intake System-Harley Davidson
- Top Material
- Aluminum
- Top Style
- Metal
- Warranty
- No-Hassle Lifetime Limited
- Weight
- 3.1 lb (1.4 kg)
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
2012-2016 Harley-Davidson FLD Switchback; 2008-2010 Harley-Davidson FXD Dyna Super Glide; 2008-2014 Harley-Davidson FXDB Street Bob; 2008-2014 Harley-Davidson FXDC Super Glide Custom; 2008-2016 Harley-Davidson FXDF Fat Bob; 2008-2009 Harley-Davidson FXDL Dyna Low Rider; 2014-2016 Harley-Davidson FXDL Dyna Low Rider; 2014-2016 Harley-Davidson FXDL Low Rider; 2008 Harley-Davidson FXDWG Dyna Wide Glide; 2010-2016 Harley-Davidson FXDWG Dyna Wide Glide
Installation
K&N RK-3931
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