{"product_id":"k-n-engineering-du-9321-high-flow-replacement-air-filter-for-2021-2024-ducati-motorcycles","title":"K\u0026N Engineering DU-9321 High-Flow Replacement Air Filter for 2021-2024 Ducati Motorcycles","description":"The K\u0026amp;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.\nThe K\u0026amp;N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection.\nAssociated products: 99-5000 Filter Care Service Kit Aerosol\n\u003cul\u003e\n  \u003cli\u003ePRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).\u003c\/li\u003e\n  \u003cli\u003ePleated media provides a large filtration area offering long service intervals\u003c\/li\u003e\n  \u003cli\u003eMultiple layers of woven cotton gauze media offers excellent filtration\u003c\/li\u003e\n  \u003cli\u003eDesigned to provide increased horsepower and torque\u003c\/li\u003e\n  \u003cli\u003eWashable \u0026amp; reusable, pre-oiled and ready to ride\u003c\/li\u003e\n  \u003cli\u003eApplication specific base seal and sealing bead\u003c\/li\u003e\n  \u003cli\u003eNo-Hassle Lifetime Limited Warranty\u003c\/li\u003e\n  \u003cli\u003eMade in the USA for over 40 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K\u0026amp;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.\u003c\/p\u003e\u003cp\u003eBuilt 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\u0026amp;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.\u003c\/p\u003e\u003cp\u003eThe K\u0026amp;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.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: K\u0026amp;N Engineering\u003c\/li\u003e\n\u003cli\u003ePart Number: DU-9321\u003c\/li\u003e\n\u003cli\u003eProduct Type: High-flow replacement motorcycle air filter\u003c\/li\u003e\n\u003cli\u003eFilter Media: Premium oiled cotton gauze\u003c\/li\u003e\n\u003cli\u003eService Design: Washable and reusable\u003c\/li\u003e\n\u003cli\u003eFitment Style: Precision OEM-style direct replacement\u003c\/li\u003e\n\u003cli\u003eInstallation Condition: Pre-oiled and ready to ride\u003c\/li\u003e\n\u003cli\u003eWarranty: No-Hassle Lifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne K\u0026amp;N Engineering DU-9321 high-flow replacement air filter\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 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.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-Flow Performance: Increases airflow to support improved horsepower, throttle response, and acceleration.\u003c\/li\u003e\n\u003cli\u003ePremium Oiled Cotton Gauze: Multiple layers of woven cotton gauze provide effective filtration and dependable engine protection.\u003c\/li\u003e\n\u003cli\u003eWashable and Reusable: Designed for long-term service and arrives pre-oiled for convenient installation.\u003c\/li\u003e\n\u003cli\u003ePrecision OEM-Style Fit: Application-specific sealing beads, base seals, and custom sealing features provide reliable fitment where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2021 Ducati Monster+ Base\u003cbr\u003e\n2022 Ducati Monster+ Base\u003cbr\u003e\n2023 Ducati Monster SP Base\u003cbr\u003e\n2023 Ducati Monster+ Base\u003cbr\u003e\n2023 Ducati Scrambler Full Throttle Base\u003cbr\u003e\n2023 Ducati Scrambler Icon Base\u003cbr\u003e\n2023 Ducati Scrambler Nightshift Base\u003cbr\u003e\n2024 Ducati DesertX Base\u003cbr\u003e\n2024 Ducati DesertX Rally Base\u003cbr\u003e\n2024 Ducati Hypermotard 698 Mono Base\u003cbr\u003e\n2024 Ducati Monster 30th Anniversario Base\u003cbr\u003e\n2024 Ducati Monster+ Base\u003cbr\u003e\n2024 Ducati Scrambler Full Throttle Base\u003cbr\u003e\n2024 Ducati Scrambler Icon Base\u003cbr\u003e\n2024 Ducati Scrambler Nightshift Base\u003cbr\u003e\n2025 Ducati DesertX Base\u003cbr\u003e\n2025 Ducati DesertX Discovery Base\u003cbr\u003e\n2025 Ducati DesertX Rally Base\u003cbr\u003e\n2025 Ducati Hypermotard 698 Mono Base\u003cbr\u003e\n2025 Ducati Hypermotard 698 Mono RVE Base\u003cbr\u003e\n2025 Ducati Monster Base\u003cbr\u003e\n2025 Ducati Monster Senna Base\u003cbr\u003e\n2025 Ducati Monster SP Base\u003cbr\u003e\n2025 Ducati Monster+ Base\u003cbr\u003e\n2025 Ducati Scrambler 10 Anniversario Rizoma Edition Base\u003cbr\u003e\n2025 Ducati Scrambler Full Throttle Base\u003cbr\u003e\n2025 Ducati Scrambler Icon Base\u003cbr\u003e\n2025 Ducati Scrambler Nightshift Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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