SKU: BBWQ-RK-3947B

K&N RK-3947B Intake System-Harley Davidson

The K&N RK-3947B 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.

Additional Attributes:

GTIN: 00024844363169
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, Metal Top
Estimated Horsepower Gain: 7.43 HP @ 4786 RPM
Horse Power Increase: 7 HP
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
Prop 65 (C, R or CR): CR
Prop 65 – Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
Prop 65 Warning Label: https://www.knfilters.com/images/l/prop65.jpg
Prop 65 Yes/No: Yes
Replacement Filter: E-3975
RPM: 4786
Street Legal In All US States: See Vehicle Applications
Top Material: Black Powder Coated
TUV Approved (Europe): No
Warranty: No-Hassle Lifetime Limited
Weight: 4.3 lb (2 kg)