{"product_id":"yoshimura-rs-9t-dual-premium-muffler-repack-kit-450g-repack-rs9t-p10","title":"Yoshimura RS-9T Dual Premium Muffler Repack Kit 450g – REPACK-RS9T-P10","description":"\u003cdiv class=\"trd trd--yoshimura\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eYoshimura · RS-9T\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eRepack Kit for Dual Yoshimura RS-9T Mufflers\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura RS-9T Dual Premium Muffler Repack Kit 450g is a replacement service parts package designed to restore proper muffler function through routine repacking. Yoshimura notes that off-road systems should be repacked after 6-8 hours of use, or after each Race, to help the exhaust perform as intended.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis kit is specified for Honda CRF450R 2017–2020, Honda CRF450R-S 2022, and Honda CRF450RX 2017–2020 applications using dual RS-9T mufflers. Yoshimura explains that dirty packing can restrict airflow and lead to loss of power and degraded sound, while fresh packing supports freer airflow to restore performance and improve exhaust sound.\u003c\/p\u003e\n\u003cul class=\"trd-chips\"\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003ePart Number\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eREPACK-RS9T-P10\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eSeries\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eRS-9T\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eFits\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eHonda CRF450R \/ CRF450R-S \/ CRF450RX\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003cdiv class=\"trd-cards trd-cards--3\"\u003e\n\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003ch3 class=\"trd-card-title\"\u003eDual-muffler service kit\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eBuilt around servicing dual RS-9T mufflers, this kit is described by Yoshimura as containing all components needed for a complete repack. It is intended to simplify the maintenance process by bundling the core wear items typically replaced during repacking into one matched package.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003ch3 class=\"trd-card-title\"\u003ePremium packing included\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe kit includes Silent Sport Premium Packing Material (450g x 2 QTY). Yoshimura emphasizes that replacing dirty packing at the suggested intervals helps prevent restricted airflow that can contribute to power loss and sound degradation, bringing the exhaust back toward its designed operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003ch3 class=\"trd-card-title\"\u003eHardware and decals\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eAlong with packing material, the kit includes Stainless Rivet (C3-RIVET x 16 QTY), Rivet Band (RBYM9 x 4 QTY), and RS-9T End-cap Decals (RS9-NB004L x 1 QTY \/ RS9-NB004R x 1 QTY). These items support a thorough repack and refresh the end-cap labeling.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection class=\"trd-story\"\u003e\u003cfigure class=\"trd-story-media\"\u003e\u003cimg class=\"trd-story-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-repack-rs9t-p10-rs9t-main.jpg?v=1792278997\u0026amp;width=1400\" alt=\"Yoshimura RS-9T Dual Premium Muffler Repack Kit 450g – REPACK-RS9T-P10 – Why repacking matters\" width=\"1400\" height=\"933\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003ePerformance\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eWhy repacking matters\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eYoshimura states that off-road exhaust systems need regular repacking after 6-8 hours of use, or after each Race. Over time, packing becomes dirty, and Yoshimura explains that this can restrict airflow from the motor, leading to a loss of power and a degradation of sound. Repacking at the suggested interval is positioned as an essential step to help the exhaust perform the way it was designed, supporting freer airflow that can restore lost power and improve the exhaust sound.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--text\"\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eMaterials\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eWhat’s in the kit\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThis RS-9T Dual Premium Muffler Repack Kit 450g combines the consumable materials and supporting pieces commonly replaced during service. It includes Silent Sport Premium Packing Material (450g x 2 QTY), Stainless Rivet (C3-RIVET x 16 QTY), Rivet Band (RBYM9 x 4 QTY), and RS-9T End-cap Decals (RS9-NB004L x 1 QTY \/ RS9-NB004R x 1 QTY). Together, these components are intended to cover the needs of repacking dual RS-9T mufflers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--text\"\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eFitment\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eFitment and installation\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThis Yoshimura repack kit is listed for Honda CRF450R 2017–2020, Honda CRF450R-S 2022, and Honda CRF450RX 2017–2020 models equipped with dual RS-9T mufflers. For confirmation, refer to the fitment table on the page. An installation PDF is provided on the product page to guide the repacking process and help ensure the components in the kit are used as intended.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--specs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table trd-table--specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eREPACK-RS9T-P10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eYoshimura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct Line\u003c\/th\u003e\n\u003ctd\u003eReplacement Service Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eRS-9T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e00840025909199\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--fitment\"\u003e\u003ch2 class=\"trd-section-title\"\u003eFitment\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMake\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel Years\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450R\u003c\/td\u003e\n\u003ctd\u003e2017–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450R-S\u003c\/td\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450RX\u003c\/td\u003e\n\u003ctd\u003e2017–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"trd-caption\"\u003eFitment as listed by Yoshimura for part number REPACK-RS9T-P10.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--docs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eInstallation \u0026amp; Documents\u003c\/h2\u003e\n\u003cp class=\"trd-docs\"\u003e\u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-repack-rs9t-p10-installation-manual.pdf?v=1792278993\" target=\"_blank\" rel=\"noopener\"\u003eInstructions \/ What's Included (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"trd-caption\"\u003eProvided by Yoshimura. Opens in a new tab.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":68080830021783,"sku":"REPACK-RS9T-P10","price":98.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-repack-rs9t-p10-rs9t-main.jpg?v=1792278997","url":"https:\/\/allamericanktm.com\/products\/yoshimura-rs-9t-dual-premium-muffler-repack-kit-450g-repack-rs9t-p10","provider":"All American KTM","version":"1.0","type":"link"}