K&N Intake System-Harley Davidson (RK-3931)

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.

• 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
• CARB EO Number: D-269-59
• 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
• 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
• Product Weight: 3.13 lb (1.42 kg)
• Replacement Filter: E-3975
• Size: 9 Inch
• Street Legal In All US States: Yes
• Style: Teardrop
• Top Material: Aluminum
• Top Style: Metal
• TUV Approved (Europe): No
• Warranty: No-Hassle Lifetime Limited
• Weight: 3.1 lb (1.4 kg)

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