Description
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.
- Designed for Harley-Davidson motorcycles
- Increase horsepower and torque
- Easy to install
- Made in USA
- Backed by K&N warranty
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 |






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