{"product_id":"yoshimura-rs-12-spark-arrestor-1-500-insert-sa-21-k-2019-2026-honda-ktm-kawasaki","title":"Yoshimura RS-12 Spark Arrestor 1.500\" Insert SA-21-K 2019-2026 Honda KTM Kawasaki","description":"\u003cp\u003eEnsure your machine is trail-ready and forest-legal with the Yoshimura RS-12 Spark Arrestor (1.500\"). This \u003cstrong\u003eOEM Replacement\u003c\/strong\u003e insert is specifically engineered for the RS-12 off-road muffler series, providing a critical safety feature without compromising the signature Yoshimura exhaust note. Moto-House MX understands the importance of versatile performance, and this USFS-approved insert allows you to transition seamlessly from the closed course to public lands.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for maximum \u003cstrong\u003eRacing Performance\u003c\/strong\u003e and durability, this kit features Yoshimura’s PTF (Precision Taper Fit) technology, which ensures a snug, rattle-free fit and incredibly easy installation or removal. Proudly made in Chino, California, the kit includes the spark arrester insert, end-cap collar, and the necessary set screw. Whether you are racing a CRF450R or exploring on a KX450X, this high-quality component keeps you compliant while maintaining optimal exhaust flow.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Yoshimura RS-12 Spark Arrestor\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSFS Approved:\u003c\/strong\u003e Fully compliant with United States Forest Service regulations for off-road riding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Taper Fit (PTF):\u003c\/strong\u003e Innovative design allows for a perfect seal and effortless installation\/removal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Installation Kit:\u003c\/strong\u003e Includes the 1.500\" spark arrester insert, end-cap collar, and secure set screw.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRS-12 Compatibility:\u003c\/strong\u003e Specifically tailored for the latest generation of Yoshimura RS-12 off-road exhaust systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Expertly designed and manufactured in Chino, California for premium quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eYear Range\u003c\/th\u003e\n      \u003cth\u003eVehicle Brand\u003c\/th\u003e\n      \u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2021 - 2025\u003c\/td\u003e\n      \u003ctd\u003eHonda\u003c\/td\u003e\n      \u003ctd\u003eCRF450R \/ CRF450RX\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2022 - 2024\u003c\/td\u003e\n      \u003ctd\u003eHonda\u003c\/td\u003e\n      \u003ctd\u003eCRF250R \/ CRF250RX\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2019 - 2024\u003c\/td\u003e\n      \u003ctd\u003eKawasaki\u003c\/td\u003e\n      \u003ctd\u003eKX450F \/ KX450X\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2021 - 2026\u003c\/td\u003e\n      \u003ctd\u003eKawasaki\u003c\/td\u003e\n      \u003ctd\u003eKX250F \/ KX250X \/ KX250\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2023 - 2024\u003c\/td\u003e\n      \u003ctd\u003eKTM\u003c\/td\u003e\n      \u003ctd\u003e450 SX-F \/ 450 XC-F\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2023 - 2024\u003c\/td\u003e\n      \u003ctd\u003eHusqvarna\u003c\/td\u003e\n      \u003ctd\u003eFC 450 \/ FX 450\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2024\u003c\/td\u003e\n      \u003ctd\u003eGas-Gas\u003c\/td\u003e\n      \u003ctd\u003eMC 450F \/ EX 450F\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this spark arrestor legal for use on public land?\u003c\/strong\u003e\u003cbr\u003e\nYes, this insert is USFS (United States Forest Service) approved, making it legal for use in areas where a spark arrestor is required by law.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this insert significantly reduce horsepower?\u003c\/strong\u003e\u003cbr\u003e\nWhile any insert provides a slight change in backpressure, Yoshimura designs their spark arrestors to minimize restriction, ensuring your bike maintains high-level performance while staying compliant.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill this fit my RS-4 or other Yoshimura mufflers?\u003c\/strong\u003e\u003cbr\u003e\nNo, this specific insert is designed exclusively for the RS-12 series mufflers with a 1.500\" opening. Please check your specific exhaust model before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUpgrade Your Ride\u003c\/strong\u003e and stay legal on the trails with the best in exhaust technology.\u003c\/p\u003e\n\n\u003cp\u003eMoto-House MX – \u003cstrong\u003eChoice of Champions\u003c\/strong\u003e – is located in Clermont\/Montverde, FL. The best motocross shop in Central Florida.\u003c\/p\u003e","brand":"YOSHIMURA","offers":[{"title":"Default Title","offer_id":44278614392915,"sku":"SA-21-K","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/a1a8-6254379b27a7f.jpg?v=1774557720","url":"https:\/\/motohousemx.com\/products\/yoshimura-rs-12-spark-arrestor-1-500-insert-sa-21-k-2019-2026-honda-ktm-kawasaki","provider":"Moto-House MX","version":"1.0","type":"link"}