{"product_id":"yoshimura-rs-12-stainless-slip-on-exhaust-for-suzuki-dr-z4s-sm-116612s521","title":"Yoshimura RS-12 Stainless Slip-On Exhaust for Suzuki DR-Z4S-SM – 116612S521","description":"\u003cdiv class=\"trd trd--yoshimura\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eYoshimura · RS-12 · Slip-On\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eYoshimura RS-12 Stainless Slip-On for DR-Z4\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura RS-12 Stainless Slip-On Exhaust is an Enduro Series Exhaust System built for the Suzuki DR-Z4S-SM 2025–2026. Developed for riders who want an RS-12 slip-on option rather than a Race Series full system, it’s designed to deliver performance on the DR-Z4S while maintaining 50 state legality.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis stainless slip-on includes an installed USFS approved spark arrestor, SA-19-K, and a custom stainless Yoshimura heat shield. Yoshimura lists the stock slip-on at 13.6 lbs. and the Yoshimura RS-12 slip-on at 9.2 lbs., along with published sound figures for stock versus RS-12 with the spark arrestor installed.\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\"\u003e116612S521\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eMaterial\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eStainless\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-12\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\"\u003eSuzuki DR-Z4S-SM\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\"\u003eStainless slip-on design\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eBuilt as an RS-12 series slip-on in stainless, this Enduro Series Exhaust System is tailored specifically for the Suzuki DR-Z4S-SM 2025–2026. It’s positioned by Yoshimura as an alternative for riders who don’t want a Race Series full system, while still targeting performance on the DR-Z4S.\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\"\u003eSpark arrestor included\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eAn installed USFS approved spark arrestor, SA-19-K, comes with this RS-12 slip-on. Yoshimura highlights this included component as a convenience for heading straight to off-road riding areas without needing to source a separate spark arrestor before the first ride.\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\"\u003eHeat shield provided\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe system includes a custom stainless Yoshimura heat shield. It’s a model-specific included piece that complements the RS-12 slip-on package, rounding out the setup with an added component designed for this DR-Z4S\/SM application.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\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\"\u003ePurpose-built for DR-Z4S\/SM\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eYoshimura developed this RS-12 Enduro Series slip-on specifically around the all-new Suzuki DR-Z4S\/SM platform and lists fitment for Suzuki DR-Z4S-SM 2025–2026. It’s aimed at riders who want an RS-12 slip-on solution rather than stepping up to a Race Series full system. For exact application details, refer to the fitment table shown on the page.\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\"\u003eSound\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eWeight and sound figures\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eYoshimura provides published comparisons for weight and sound output. Listed weights are 13.6 lbs. for the stock slip-on and 9.2 lbs. for the Yoshimura RS-12 slip-on. Sound levels are stated with the installed spark arrestor and referenced as measured using J2825 standards, with stock and RS-12 values shown in the product details on the page.\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\"\u003eDevelopment\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eMade in Chino, California\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eYoshimura states the RS-12 is designed, developed, and manufactured in Chino, California. That development background is tied directly to the RS-12 series positioning within Yoshimura’s Enduro Series Exhaust System lineup and the specific DR-Z4S\/SM slip-on configuration featured here.\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\"\u003eOptions and installation media\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThis RS-12 slip-on is specified with spark arrestor SA-19-K included, and the page also lists additional sound insert and spark arrestor options by code in the dedicated table. For guidance during setup, the page includes an installation PDF, and a product video is also provided for a closer look at the system.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--video\"\u003e\u003ch2 class=\"trd-section-title\"\u003eProduct Video\u003c\/h2\u003e\n\u003cdiv class=\"trd-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/14pFpWVrGeE\" title=\"Yoshimura RS-12 Stainless Slip-On Exhaust for Suzuki DR-Z4S-SM – 116612S521 video\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\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\u003e116612S521\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\u003eEnduro Series Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eRS-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSystem Type\u003c\/th\u003e\n\u003ctd\u003eSlip-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpark Arrester\u003c\/th\u003e\n\u003ctd\u003eSA-19-K (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e14 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e00840025919914\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEmissions Compliance\u003c\/th\u003e\n\u003ctd\u003eQUALIFIED MANUFACTURER DECLARED \"REPLACEMENT PART\"\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\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR-Z4S-SM\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"trd-caption\"\u003eFitment as listed by Yoshimura for part number 116612S521.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--accessories\"\u003e\u003ch2 class=\"trd-section-title\"\u003eSound Inserts \u0026amp; Spark Arresters\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003ePart Number\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eType\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eIncluded With This System\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eINS-32-K\u003c\/td\u003e\n\u003ctd\u003eSound Insert\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSA-19-K\u003c\/td\u003e\n\u003ctd\u003eSpark Arrester\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSA-20-K\u003c\/td\u003e\n\u003ctd\u003eSpark Arrester\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eINS-34-K\u003c\/td\u003e\n\u003ctd\u003eSound Insert\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\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-116612s521-installation-manual.pdf?v=1792273591\" 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":68080741744791,"sku":"116612S521","price":789.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-116612s521-rs12-stainless-exhaust-main.jpg?v=1792273595","url":"https:\/\/allamericanktm.com\/products\/yoshimura-rs-12-stainless-slip-on-exhaust-for-suzuki-dr-z4s-sm-116612s521","provider":"All American KTM","version":"1.0","type":"link"}