{"product_id":"ktm-450sx-f-fe-22-26-husqvarna-fc450-re-22-26-rs-12-stainless-full-exhaust-w-aluminum-muffler-264630s320","title":"KTM 450SX-F FE 22-26\/Husqvarna FC450 RE 22-26 RS-12 Stainless Full Exhaust, w\/ Aluminum Muffler - 264630S320","description":"\u003ch2\u003eKTM 450SX-F FE 22-26\/Husqvarna FC450 RE 22-26 RS-12 Stainless Full Exhaust, w\/ Aluminum Muffler\u003c\/h2\u003e\n\n\u003cp\u003eThe Yoshimura RS-12 Signature Series full exhaust system is built for riders who want a more connected, controllable feel from their 450—without straying from a proven motocross race-bred design. Developed through dyno and rider testing, this stainless full system with an aluminum muffler introduces resonator technology in both the header and muffler to enhance power characteristics while managing sound. \u003cstrong\u003eSKU: 264630S320\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 264630S320\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 stainless full system with aluminum muffler\u003c\/li\u003e\n  \u003cli\u003eFirst Yoshimura production motocross exhaust to incorporate a resonator on the header and in the muffler\u003c\/li\u003e\n  \u003cli\u003eTuned header resonator designed to unlock bottom and midrange power and improve sound\u003c\/li\u003e\n  \u003cli\u003eAsymmetrical muffler shape maximizes capacity and integrates a resonance chamber for sound management and usable power\u003c\/li\u003e\n  \u003cli\u003eRS-12 profile provides added clearance for tire and brake caliper\u003c\/li\u003e\n  \u003cli\u003ePrecision machined joints for a secure seal with 360-degree contact to support fit and system life\u003c\/li\u003e\n  \u003cli\u003eWorks-look matte carbon fiber end cap; inner-cap mounted design improves durability and eases servicing\u003c\/li\u003e\n  \u003cli\u003ePatent-pending Precision Taper Fit (PTF) insert ring for easier installation\/removal of sound inserts and spark arresters\u003c\/li\u003e\n  \u003cli\u003eTapered muffler body inlet design allows the system to be pushed forward for improved weight centralization\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound level:\u003c\/strong\u003e Volume Insert\u003c\/li\u003e\n  \u003cli\u003eDeveloped, designed, and made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment \u0026amp; Notes\u003c\/h3\u003e\n\u003cp\u003eFitment per Yoshimura: 2022.5 KTM SX-F Factory Edition and later 450SX-F; 2022.5 Husqvarna Rockstar Edition FC450 and later FC450 (model years 22–26 as listed). Spark arrestor sold separately. Sound insert\/spark arrester options referenced by Yoshimura: INS-30-K (Volume Insert: Yes); SA-21-K (Spark Arrestor Included: No); SA-20-K (Spark Arrestor Included: No).\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":47761506304151,"sku":"264630S320","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/264630S320_450SXF_2022_RS12_FS_SS-AL-CF_1Gray.jpg?v=1777847255","url":"https:\/\/allamericanktm.com\/products\/ktm-450sx-f-fe-22-26-husqvarna-fc450-re-22-26-rs-12-stainless-full-exhaust-w-aluminum-muffler-264630s320","provider":"All American KTM","version":"1.0","type":"link"}