Description
The K&N Filters Replacement Air Filter for Ducati ST2/ST3/ST4 (KNNDU-9098) is engineered to fit Ducati motorcycles manufactured between 1997 and 2007, specifically the ST2, ST3, and ST4 models. This high-performance air filter is designed to improve airflow while offering exceptional filtration, ensuring your engine stays protected under various riding conditions. Washable and reusable, it’s a long-term upgrade that supports peak engine performance and reduces waste over time.
Whether you’re performing routine maintenance or upgrading your bike’s intake system, this replacement air filter is a smart and reliable choice for Ducati riders looking to maintain their machine’s performance without compromising protection.
Features and Specifications:
- Vehicle Fitment: Fits Ducati ST2, ST3, ST4 (Model Years: 1997-2007).
- Outside Length: 8.25 in (210 mm)
- Outside Width: 8.25 in (210 mm)
- Height: 1.188 in (30 mm)
- Air Filter Shape: Panel
- Increased Performance: Designed to enhance horsepower and torque.
- Long Service Life: Pleated media offers a large filtration area for extended intervals.
- Excellent Filtration: Multiple layers of woven cotton gauze provide superior filtration.
- Custom Fit: Application-specific base seal and sealing bead for secure installation.
- Made in the USA: Over 40 years of trusted manufacturing.
- Convenient: Washable, reusable, pre-oiled, and ready to use.
- Warranty: No-hassle lifetime limited warranty.






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