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.
Application Summary:
| Year |
Make/Model |
| 2013-2015 |
Harley Davidson FLSTC Heritage Softail Classic |
| 2013-2015 |
Harley Davidson FLSTF Fat Boy |
| 2013-2015 |
Harley Davidson FLSTFB Fat Boy Lo |
| 2013-2015 |
Harley Davidson FLSTN Softail Deluxe |
| 2013-2015 |
Harley Davidson FXSB Breakout |
| 2013-2014 |
Harley Davidson FXSBSE CVO Breakout |
Additional Information: