{"product_id":"k-n-engineering-du-9321-high-flow-replacement-air-filter-for-ducati-monster-and-scrambler-models","title":"K\u0026N Engineering DU-9321 High-Flow Replacement Air Filter for Ducati Monster and Scrambler Models","description":"K\u0026amp;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.\nK\u0026amp;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.\n\u003cul\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\u003eUpgrade your Ducati motorcycle's airflow with the K\u0026amp;N 21-23 Ducati Monster Plus 937 Replacement Air Filter, part number DU-9321. Designed specifically for models such as the Ducati Monster, Scrambler, and DesertX, this high-flow air filter offers a significant boost in performance while maintaining excellent engine protection. Crafted to fit seamlessly into your bike's stock air intake, it ensures optimal airflow, resulting in increased horsepower and torque. Its custom engineering and application-specific seal help maintain a tight fit, preventing unfiltered air from entering your engine. The pleated media provides a large filtration surface area, offering longer service intervals and reliable performance over time.Made with multiple layers of woven cotton gauze, this washable and reusable filter is pre-oiled and ready to install right out of the box. Its durable construction ensures that it can withstand the rigors of riding while maintaining high filtration efficiency. The DU-9321 is designed with a sealing bead and base seal tailored to Ducati models, further enhancing its effectiveness and ease of installation. Additionally, it comes with a no-hassle lifetime limited warranty, giving you confidence in its durability and performance. Proudly made in the USA for over 40 years, this filter is an excellent upgrade for riders seeking improved throttle response and engine longevity.Whether you're upgrading for performance or replacing a worn-out filter, the K\u0026amp;N DU-9321 is a reliable choice for your Ducati motorcycle. It’s approved for use on vehicles requiring CARB acknowledgment and is not EPA-rated, making it suitable for a wide range of riding conditions. Invest in a filter that combines engineering excellence with proven performance, and enjoy enhanced riding experiences with every ride.Note: Proper installation and maintenance are essential to maximize the benefits of this high-flow air filter. Regular cleaning and re-oiling will ensure consistent performance and filtration efficiency over its long service life.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePleated media provides a large filtration area for long service intervals\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMultiple layers of woven cotton gauze media for excellent filtration\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to increase horsepower and torque for optimal engine performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eWashable and reusable, pre-oiled and ready to install\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication-specific base seal and sealing bead for secure fit\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNo-Hassle Lifetime Limited Warranty for peace of mind\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the USA with over 40 years of engineering expertise\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFits: 2021-2024 Ducati Monster, Scrambler, and DesertX models\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits\u003cbr\u003e\nDucati DesertX Base 2024\u003cbr\u003e\nDucati DesertX Base 2025\u003cbr\u003e\nDucati DesertX Discovery Base 2025\u003cbr\u003e\nDucati DesertX Rally Base 2024\u003cbr\u003e\nDucati DesertX Rally Base 2025\u003cbr\u003e\nDucati Hypermotard 698 Mono Base 2024\u003cbr\u003e\nDucati Hypermotard 698 Mono Base 2025\u003cbr\u003e\nDucati Hypermotard 698 Mono RVE Base 2025\u003cbr\u003e\nDucati Monster Base 2025\u003cbr\u003e\nDucati Monster 30th Anniversario Base 2024\u003cbr\u003e\nDucati Monster Senna Base 2025\u003cbr\u003e\nDucati Monster SP Base 2023\u003cbr\u003e\nDucati Monster SP Base 2025\u003cbr\u003e\nDucati Monster+ Base 2021\u003cbr\u003e\nDucati Monster+ Base 2022\u003cbr\u003e\nDucati Monster+ Base 2023\u003cbr\u003e\nDucati Monster+ Base 2024\u003cbr\u003e\nDucati Monster+ Base 2025\u003cbr\u003e\nDucati Scrambler 10 Anniversario Rizoma Edition Base 2025\u003cbr\u003e\nDucati Scrambler Full Throttle Base 2023\u003cbr\u003e\nDucati Scrambler Full Throttle Base 2024\u003cbr\u003e\nDucati Scrambler Full Throttle Base 2025\u003cbr\u003e\nDucati Scrambler Icon Base 2023\u003cbr\u003e\nDucati Scrambler Icon Base 2024\u003cbr\u003e\nDucati Scrambler Icon Base 2025\u003cbr\u003e\nDucati Scrambler Nightshift Base 2023\u003cbr\u003e\nDucati Scrambler Nightshift Base 2024\u003cbr\u003e\nDucati Scrambler Nightshift Base 2025","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":54498861711665,"sku":"749957","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/47d1f44f5d6eee460df808ad589e4bf7L.jpg?v=1781153381","url":"https:\/\/shop.topspeedcincy.com\/products\/k-n-engineering-du-9321-high-flow-replacement-air-filter-for-ducati-monster-and-scrambler-models","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}