K&N Replacement Air Filter DUC ST2 / ST3 / ST4 (97-'07)
KNDU9098
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K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom-engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.
Features:
- Designed to provide increased horsepower and torque.
- Pleated media provides a large filtration area offering long service intervals.
- Multiple layers of woven cotton gauze media offer excellent filtration.
- Application-specific base seal and sealing bead.
- Made in the USA for over 40 years.
- Washable and reusable, pre-oiled and ready to ride!
Specifications:
- Filter Material: Cotton Gauze
- Washable: Yes
- Height: 1.188in (30mm)
- Outside Length: 8.25in (210mm)
- Outside Width: 8.25in (210mm)
- Filter Re-Oiling Amount: 1.17oz (35ml)