{"product_id":"yoshimura-sound-insert-kit-yjp-r-11-muffler-ins-yjp-04-k","title":"Yoshimura SOUND INSERT KIT YJP R-11 Muffler (INS-YJP-04-K)","description":"\u003cdiv class=\"trd trd--yoshimura\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eYoshimura · R-11\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eLow-Volume Insert Kit for Yoshimura R-11\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura SOUND INSERT KIT YJP R-11 Muffler is a replacement low-volume insert kit designed for specific R-11 mufflers. Built as part of Yoshimura’s Replacement Service Parts line, it’s intended for riders who need to refresh an existing insert setup or add an optional insert kit for applications that require different sound restrictions.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis kit includes an insert tube, insert collar, set screw, and lock washer, providing the core components needed to outfit the applicable R-11 muffler configuration. Fitment and applications vary; refer to the fitment information shown on the page when available.\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\"\u003eINS-YJP-04-K\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\"\u003eR-11\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\"\u003eR-11 Specific Insert\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eDesigned as a replacement low-volume insert kit for specific Yoshimura R-11 mufflers. It’s a focused service-parts solution for maintaining the intended insert configuration on compatible R-11 applications.\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\"\u003eOptional Sound Restriction Kit\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eYoshimura notes this kit is available as an optional insert kit on applications requiring different sound restrictions. It’s a straightforward way to configure the muffler setup for those specific requirements where applicable.\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\"\u003eComplete Hardware Included\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe kit includes the key pieces needed for installation: insert tube, insert collar, set screw, and lock washer. These components are packaged together to simplify replacement or retrofit on the intended R-11 muffler applications.\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-ins-yjp-04-k-r11-main.jpg?v=1792280731\u0026amp;width=1400\" alt=\"Yoshimura SOUND INSERT KIT YJP R-11 Muffler (INS-YJP-04-K) – Purpose-Built Service Part\" width=\"1400\" height=\"933\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eSound\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003ePurpose-Built Service Part\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eAs part of Yoshimura’s Replacement Service Parts lineup, this sound insert kit is aimed at keeping an R-11 muffler system properly configured over time. When an insert is missing, worn, or needs to be swapped for a particular application requirement, this kit provides the core insert components in one package.\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\"\u003eInstallation\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eWhat Comes In The Kit\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eYoshimura supplies the essential parts needed for the insert assembly. The package includes an insert tube and insert collar, along with the supporting hardware listed by Yoshimura: set screw and lock washer. With these items bundled together, the kit is set up to support replacement and service needs for applicable R-11 muffler configurations without sourcing individual pieces separately.\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 Applications\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThis insert kit is specified for use with particular Yoshimura R-11 mufflers, and Yoshimura also lists it as an optional kit on applications that require different sound restrictions. Because compatibility depends on the exact muffler\/application, consult the fitment information shown on the page when available to confirm the correct match before installation.\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\u003eINS-YJP-04-K\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\u003eR-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e00840025918627\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":68080841490583,"sku":"INS-YJP-04-K","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-ins-yjp-04-k-r11-main.jpg?v=1792280731","url":"https:\/\/allamericanktm.com\/products\/yoshimura-sound-insert-kit-yjp-r-11-muffler-ins-yjp-04-k","provider":"All American KTM","version":"1.0","type":"link"}