{"product_id":"yoshimura-sound-insert-tube-rs-4t-muffler-turn-down-tip-1-500-ins-rs4t-a","title":"Yoshimura SOUND INSERT TUBE RS-4T Muffler Turn-Down Tip, 1.500\" (INS-RS4T-A)","description":"\u003cdiv class=\"trd trd--yoshimura\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eYoshimura · RS-4\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eLow-Volume Insert Tube for RS-4 Turn-Down\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura Sound Insert Tube INS-RS4T-A is a replacement low-volume insert tube designed specifically for RS-4 turn-down end-cap mufflers. It’s intended for riders and builders who need to restore or change the sound-restriction setup of an RS-4 turn-down muffler using a genuine Yoshimura service part.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis insert is non-spark arrested, and decibel reduction will vary by application. Fitment is application-specific, so confirming the correct setup using the insert chart is recommended before ordering.\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-RS4T-A\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-4\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\u003cp class=\"trd-label\"\u003eSound\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eFor RS-4 Turn-Down\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eBuilt as a replacement low-volume insert tube for Yoshimura RS-4 mufflers equipped with a turn-down end-cap.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eInstallation\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eLow-Volume Configuration\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eDesigned to provide a lower-volume insert option for RS-4 turn-down end-cap mufflers. Because results depend on the specific application, the actual decibel reduction can vary depending on the bike and exhaust setup where it’s installed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eEngineering\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eConstruction\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eYoshimura RS-4, part of the Replacement Service Parts line.\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-rs4t-a-rs4-main.jpg?v=1792280816\u0026amp;width=1400\" alt='Yoshimura SOUND INSERT TUBE RS-4T Muffler Turn-Down Tip, 1.500\" (INS-RS4T-A) – 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\"\u003eOffered in Yoshimura’s Replacement Service Parts line, the INS-RS4T-A is intended for RS-4 mufflers that use the turn-down end-cap style. It can be used as a replacement insert tube when servicing an existing muffler or when selecting an optional sound-restriction configuration on applications that require different sound limits.\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\"\u003eSound and Spark Arresting\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThis insert is described as a low-volume insert tube, with sound reduction that depends on the specific application. It is also explicitly listed as non-spark arrested, so it should be chosen only when a non-spark-arrested insert is appropriate for the intended use. Confirming fitment via the insert chart is recommended.\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-RS4T-A\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-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e0.35 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e00840025909892\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":68080841687191,"sku":"INS-RS4T-A","price":15.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-ins-rs4t-a-rs4-main.jpg?v=1792280816","url":"https:\/\/allamericanktm.com\/products\/yoshimura-sound-insert-tube-rs-4t-muffler-turn-down-tip-1-500-ins-rs4t-a","provider":"All American KTM","version":"1.0","type":"link"}