{"product_id":"yz450f-2026-rs-12-stainless-slip-on-exhaust-w-aluminum-muffler-234852s320","title":"YZ450F 2026 RS-12 Stainless Slip-On Exhaust, w\/ Aluminum Muffler - 234852S320","description":"\u003ch2\u003eYZ450F 2026 RS-12 Stainless Slip-On Exhaust, w\/ Aluminum Muffler\u003c\/h2\u003e\n\n\u003cp\u003e\nBuilt for riders who want a compact, lightweight slip-on with proven Yoshimura craftsmanship, the RS-12 Signature Series Slip-On for the 2026 Yamaha YZ450F is designed to bring a serious performance-focused feel to your bike. It arrives USFS approved with a spark arrestor already installed, making it a ready-to-ride choice for woods and trail use right out of the box.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 234852S320\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Yoshimura\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Signature Series Exhaust System\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRS-12 Signature Series slip-on exhaust for 2026 Yamaha YZ450F\u003c\/li\u003e\n  \u003cli\u003eStainless steel mid-pipe paired with an aluminum muffler\u003c\/li\u003e\n  \u003cli\u003eMatte carbon fiber end cap finish\u003c\/li\u003e\n  \u003cli\u003eUSFS approved with spark arrestor installed (SA-21-K)\u003c\/li\u003e\n  \u003cli\u003eSound level option: Volume Insert\u003c\/li\u003e\n  \u003cli\u003eEngineered, developed, and built in Chino, CA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment \u0026amp; Notes\u003c\/h3\u003e\n\u003cp\u003e\nFitment: 2026 Yamaha YZ450F. Includes spark arrestor installed. Sound insert\/spark arrester options referenced by Yoshimura: SA-21-K (Yes), SA-20-K (No), INS-33-K (No).\n\u003c\/p\u003e\n","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":47763492405399,"sku":"234852S320","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/234852S320_a.jpg?v=1777853067","url":"https:\/\/allamericanktm.com\/products\/yz450f-2026-rs-12-stainless-slip-on-exhaust-w-aluminum-muffler-234852s320","provider":"All American KTM","version":"1.0","type":"link"}