K&N Engineering DU-9321 High-Flow Replacement Air Filter for 2021-2024 Ducati Motorcycles

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride. The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Associated products: 99-5000 Filter Care Service Kit Aerosol

• PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).
• Pleated media provides a large filtration area offering long service intervals
• Multiple layers of woven cotton gauze media offers excellent filtration
• Designed to provide increased horsepower and torque
• Washable & reusable, pre-oiled and ready to ride
• Application specific base seal and sealing bead
• No-Hassle Lifetime Limited Warranty
• Made in the USA for over 40 years

The K&N Engineering DU-9321 High-Flow Air Filter is designed as a direct replacement for select Ducati motorcycle applications. Its high-flow design helps increase airflow to support improved horsepower, throttle response, and acceleration while maintaining dependable engine protection. The precision OEM-style fit uses application-specific sealing features for straightforward installation and reliable sealing when applicable.

Built with multiple layers of premium oiled cotton gauze, the washable and reusable filter provides effective filtration with a large pleated media area for extended service intervals. It arrives pre-oiled and ready to install, helping reduce ongoing replacement filter costs and maintenance waste. When service is required, use an appropriate K&N filter care product, such as the 99-5000 Filter Care Service Kit Aerosol, to clean and re-oil the filter according to the manufacturer’s instructions.

The K&N Engineering DU-9321 is made in the USA and backed by a No-Hassle Lifetime Limited Warranty. It fits select 2021-2024 Ducati Monster, Monster Plus, Monster SP, Scrambler, and DesertX models. This product is a powersports replacement air filter and may require acknowledgment of applicable emissions or regulatory information before installation. Verify the motorcycle application and airbox configuration before ordering.

Key Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: DU-9321
• Product Type: High-flow replacement motorcycle air filter
• Filter Media: Premium oiled cotton gauze
• Service Design: Washable and reusable
• Fitment Style: Precision OEM-style direct replacement
• Installation Condition: Pre-oiled and ready to ride
• Warranty: No-Hassle Lifetime Limited Warranty

What’s Included

• One K&N Engineering DU-9321 high-flow replacement air filter

Fitment

Fits 2021-2023 Ducati Monster Plus, 2022-2023 Ducati Monster Plus, 2023 Ducati Monster SP, 2023 Ducati Monster, 2023 Ducati Scrambler Full Throttle, 2023 Ducati Scrambler Icon, 2023 Ducati Scrambler Nightshift, 2024 Ducati Scrambler Icon, 2024 Ducati DesertX, and 2024 Ducati DesertX Rally.

Features:

• High-Flow Performance: Increases airflow to support improved horsepower, throttle response, and acceleration.
• Premium Oiled Cotton Gauze: Multiple layers of woven cotton gauze provide effective filtration and dependable engine protection.
• Washable and Reusable: Designed for long-term service and arrives pre-oiled for convenient installation.
• Precision OEM-Style Fit: Application-specific sealing beads, base seals, and custom sealing features provide reliable fitment where applicable.

Fitments:
2021 Ducati Monster+ Base
2022 Ducati Monster+ Base
2023 Ducati Monster SP Base
2023 Ducati Monster+ Base
2023 Ducati Scrambler Full Throttle Base
2023 Ducati Scrambler Icon Base
2023 Ducati Scrambler Nightshift Base
2024 Ducati DesertX Base
2024 Ducati DesertX Rally Base
2024 Ducati Hypermotard 698 Mono Base
2024 Ducati Monster 30th Anniversario Base
2024 Ducati Monster+ Base
2024 Ducati Scrambler Full Throttle Base
2024 Ducati Scrambler Icon Base
2024 Ducati Scrambler Nightshift Base
2025 Ducati DesertX Base
2025 Ducati DesertX Discovery Base
2025 Ducati DesertX Rally Base
2025 Ducati Hypermotard 698 Mono Base
2025 Ducati Hypermotard 698 Mono RVE Base
2025 Ducati Monster Base
2025 Ducati Monster Senna Base
2025 Ducati Monster SP Base
2025 Ducati Monster+ Base
2025 Ducati Scrambler 10 Anniversario Rizoma Edition Base
2025 Ducati Scrambler Full Throttle Base
2025 Ducati Scrambler Icon Base
2025 Ducati Scrambler Nightshift Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1