K&N - RK-3947
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-3947 High-Flow Air Intake System increases engine intake airflow and delivers more horsepower & torque to many Harley-Davidson FLT and FLH model motorcycles. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake 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: 2.125 in (54 mm)
Air Filter Included: Yes
Air Filter Material: Cotton Gauze
Air Filter Washable: Yes
CARB EO Number: D-269-59
Color / Finish: Red Filter, Chrome Top
Estimated Horsepower Gain: 7.43 HP @ 4786 RPM
Mounting Hardware Included: Yes
Overall Height: 2.125 in (54 mm)
Package Material: Paperboard
Package Quantity: 1
Package Type: Box
Product Style: Motorcycle Intake System
Replacement Filter: E-3975
Street Legal In All US States: See Vehicle Applications
Top Material: Chrome
TUV Approved (Europe): No
Warranty: No-Hassle Lifetime Limited
Weight: 4.3 lb (2 kg)
