K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.
This Part Fits:
| Year | Make | Model | Submodel | 
| 2017-2018 | Harley-Davidson | FLHR Road King | Base | 
| 2018 | Harley-Davidson | FLHRXS Road King Special | Base | 
| 2017 | Harley-Davidson | FLHTK Ultra Limited | Base | 
| 2017-2018 | Harley-Davidson | FLHX Street Glide | Base | 
| 2017-2018 | Harley-Davidson | FLHXS Street Glide Special | Base | 
| 2017-2018 | Harley-Davidson | FLRT Freewheeler | Base | 
| 2017-2018 | Harley-Davidson | FLTRX Road Glide | Base | 
| 2017-2018 | Harley-Davidson | FLTRXS Road Glide Special | Base | 
| 2016-2017 | Harley-Davidson | XG500 Street 500 | Base | 
| 2015-2017 | Harley-Davidson | XG750 Street 750 | Base |