The Duke 250 sits between the 200 and 390 in KTM's naked streetfighter range, with its own engine displacement and airbox, so this filter is built specifically for it rather than shared with either neighbouring model.
Benefits of K&N Air Filter
- Designed to provide increased horsepower and torque
- Pleated cotton gauze media with an application-specific sealing bead
- Washable and reusable, pre-oiled and ready to install
- Million-Mile Limited Warranty