{"product_id":"yoshimura-sound-insert-kit-94db-rs-2-muffler-1-375-ins-11-k","title":"Yoshimura SOUND INSERT KIT 94db RS-2 Muffler, 1.375\" (INS-11-K)","description":"\u003cdiv class=\"trd trd--yoshimura\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eYoshimura · RS-2\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003e94db Sound Insert Kit for Yoshimura RS-2\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura SOUND INSERT KIT 94db RS-2 Muffler, 1.375\" (INS-11-K) is a replacement low-volume insert kit designed for Yoshimura RS-2 mufflers. It’s intended for riders who need an optional insert setup on applications that call for different sound restrictions, with decibel reduction depending on the specific application.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis kit is listed for Honda CRF450R 2007–2008, Honda XR150L 2023–2026, Suzuki RM-Z450 2005–2007, and Yamaha WR125R 2026 (see the fitment table below). It is a non-spark arrested insert solution, making it a focused service-part option for RS-2 owners looking to tailor sound output within their application’s requirements.\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-11-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\"\u003eRS-2\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 \/ XR150L; Suzuki RM-Z450; Yamaha WR125R\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\"\u003eRS-2 Low-Volume Insert\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eBuilt as a replacement low-volume insert kit for RS-2 mufflers, this setup is intended to help manage sound levels where different sound restrictions apply. Yoshimura notes that decibel reduction depends on the specific application, so results can vary by model and configuration.\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\"\u003eNon-Spark Arrested Design\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThis insert kit is specified as non-spark arrested. For riders selecting components for their RS-2 muffler, that designation is important when matching the bike’s intended use and local requirements to the correct muffler setup.\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 Insert Components\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe kit includes the key hardware needed for installation: a low-volume insert tube, an end-cap collar, and a set screw. For additional guidance, the page includes an installation PDF link to reference during setup.\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-11-k-rs2-main.jpg?v=1792279688\u0026amp;width=1400\" alt='Yoshimura SOUND INSERT KIT 94db RS-2 Muffler, 1.375\" (INS-11-K) – Purpose-Built RS-2 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 RS-2 Service Part\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eINS-11-K is part of Yoshimura’s Replacement Service Parts product line and is specifically tied to the RS-2 series. Rather than a generic insert, it is positioned as an optional kit for applications that require different sound restrictions, giving RS-2 owners a straightforward way to configure their muffler with a low-volume insert approach.\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 Application Notes\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eFitment is provided for Honda CRF450R 2007–2008, Honda XR150L 2023–2026, Suzuki RM-Z450 2005–2007, and Yamaha WR125R 2026. Because insert selection can be application-specific, Yoshimura also advises confirming fitment using the Insert Chart referenced on the page, ensuring the correct match for the intended motorcycle and muffler configuration.\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\"\u003eInstallation-Friendly Kit Layout\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThis kit is supplied as a small set of dedicated parts intended to work together at the muffler end-cap area, including the insert tube, end-cap collar, and set screw. An installation PDF is provided on the page to support correct assembly, helping owners complete the swap or replacement with the proper reference on hand.\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-11-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\u003eRS-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e0.55 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e00840025908734\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\u003e2007–2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eXR150L\u003c\/td\u003e\n\u003ctd\u003e2023–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRM-Z450\u003c\/td\u003e\n\u003ctd\u003e2005–2007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR125R\u003c\/td\u003e\n\u003ctd\u003e2026\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 INS-11-K.\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-ins-11-k-installation-manual.pdf?v=1792279685\" 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":68080833921175,"sku":"INS-11-K","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-ins-11-k-rs2-main.jpg?v=1792279688","url":"https:\/\/allamericanktm.com\/products\/yoshimura-sound-insert-kit-94db-rs-2-muffler-1-375-ins-11-k","provider":"All American KTM","version":"1.0","type":"link"}