K&N Street Metal Side Draft Black Air Intake System (RK-3952)
- Guaranteed increase in horsepower
- Aluminum backing plate with an integrated velocity stack provides a solid mounting surface
- Built in breathers replace external OE breathers
- Developed around an over-sized K&N high-flow air filter that is designed to boost performance, filtration and service intervals
- High-quality aluminum cover in several finishes
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2016-2017 | Harley-Davidson | Breakout FXSB | |
| 2015-2016 | Harley-Davidson | Electra Glide Low Ultra Classic FLHTCUL | |
| 2015 | Harley-Davidson | Electra Glide Low Ultra Limited FLHTKL | |
| 2014-2015 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | |
| 2015-2016 | Harley-Davidson | Freewheeler FLRT | |
| 2015-2016 | Harley-Davidson | Road Glide Special FLTRXS | |
| 2016 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2016-2017 | Harley-Davidson | Softail Slim FLS | |
| 2016-2017 | Harley-Davidson | Softail Slim S FLSS | |
| 2014-2016 | Harley-Davidson | Street Glide Special FLHXS | |
| 2014-2015 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | |