K&N - RK-3942
Intake System-Harley Davidson
K&N's Street Metal Series High-Flow Air Intake Systems offer increased airflow and deliver more horsepower & torque to your Harley-Davidson motorcycle.
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.
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
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
Street Legal In All US States: Yes
Top Material: Black Powder Coated
TUV Approved (Europe): No
Warranty: No-Hassle Lifetime Limited
Weight: 2.8 lb (1.2 kg)
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