Description
The K&N RK-3942 High-Flow Air Intake System increases engine intake airflow and delivering more horsepower & torque to your Harley-Davidson motorcycle. The intake system increases 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 via an aluminum integrated, internal-run breather system. The intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N High-Flow Air Filter is washable, reusable, pre-oiled and ready for installation.r
Attributes:
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- GTIN: 00024844359780
- Brand Name: K&N
- Air Filter Color: Red
- Air Filter Height: 2.188 in (56 mm)
- Air Filter Material: Cotton Gauze
- Air Filter Shape: Oval
- Air Filter Washable: Yes
- CARB EO Number: D-269-55
- Color / Finish: Red Filter, Metal Top
- Estimated Horsepower Gain: 9.32 HP @ 4803 RPM
- Horse Power Increase: 9 HP
- Inlet Diameter: 1.313 in (33 mm)
- Mounting Hardware Included: Yes
- Overall Height: 2.188 in (56 mm)
- Package Material: Paperboard
- Package Type: Box
- Product Style: Motorcycle Intake System
- Replacement Filter: E-3980
- RPM: 4803
- Street Legal In All US States: Yes
- Top Material: Black Powder Coated
- TUV Approved (Europe): No
- Warranty: 1,000,000 Miles/10 Year
- Weight: 2.8 lb (1.2 kg)
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Extended Information:
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- Country of Origin: United States
- Life Cycle Status: Available To Order
- Emissions : Released
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Packing Information:
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- Quantity of Each: 1
- Package UOM: EA
- Dimension: 11.7500 x 9.5000 x 4.8750 inches
- Weight: 2.7500 lb
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PDF:
r RK-3942_dyno RK-3942_inst






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