We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Intake System-Harley Davidson
£309.99
In stock
SKU
RK-3947
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.
- Guaranteed increase in horsepower
- Replaces the stock air filter and cleaner backing plate assembly
- Washable, oversized K&N high-flow air filter for long service interval
- Oversized black, powder coated aluminum backing plate provides solid mounting
- Dyno tuned velocity stack directs airflow to engine
- Built in breathers replace external OE breathers
- Includes K&N Million Mile Limited Warranty
Estimated Horsepower Gain | 7.43 HP @ 4786 RPM |
Replacement Filter | E-3975 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Warranty | No-Hassle Lifetime Limited |
Product Style | Motorcycle Intake System |
Air Filter Height | 2.125 in (54 mm) |
CARB EO Number | D-269-59 |
Street Legal In All US States | See Vehicle Applications |
TUV Approved (Europe) | No |
Overall Height | 2.125 in (54 mm) |
Top Material | Chrome |
Package Quantity | 1 |
Weight | 4.3 lb (2 kg) |
Product Box Height | 4.88 in (124 mm) |
Product Box Length | 11.75 in (298 mm) |
Product Box Width | 9.5 in (241 mm) |
Mounting Hardware Included | Yes |
Harley Davidson 2925308B |
Harley-Davidson 2925308B |
Vance & Hines 70041 |
Resources:
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 2015 HD Street Glide 103 CI - 7.43HP Increase
Recommended Products
Search By Vehicle
Search By Dimension
The item you added to cart DOES NOT FIT your
This item fits your