{"product_id":"crf450r-rx-25-26-rs-12-stainless-full-exhaust-w-stainless-muffler-225860s520","title":"CRF450R\/RX 25-26 RS-12 Stainless Full Exhaust, w\/ Stainless Muffler - 225860S520","description":"\u003ch2\u003eCRF450R\/RX 25-26 RS-12 Stainless Full Exhaust, w\/ Stainless Muffler\u003c\/h2\u003e\n\n\u003cp\u003e\nBuilt for the updated 2025 Honda CRF450R\/RX platform, the Yoshimura RS-12 Signature Series stainless full exhaust system is engineered to deliver a refined power curve and a factory-level fit. Developed alongside Team Honda HRC, this system pairs a stainless header with a stainless muffler and includes a sound insert to balance strong performance with a clean, rider-friendly exhaust note.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 225860S520\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 full system for 2025–2026 CRF450R\/RX\u003c\/li\u003e\n  \u003cli\u003eStainless full exhaust with stainless muffler\u003c\/li\u003e\n  \u003cli\u003eHydroformed muffler design to maximize space, reduce material usage, and improve durability with a deep-draw one-piece resonator\u003c\/li\u003e\n  \u003cli\u003eHydroformed header primary with an oval-to-round internal transition for precise port matching and improved repeatability\u003c\/li\u003e\n  \u003cli\u003eCarbon Faced Machined Joint designed to eliminate the need for anti-seize and reduce wear by lowering friction at the joint\u003c\/li\u003e\n  \u003cli\u003eHeader resonator developed in cooperation with Team Honda HRC to help maximize power across the spectrum\u003c\/li\u003e\n  \u003cli\u003eCast manifold for increased strength, durability, and easier installation\/removal\u003c\/li\u003e\n  \u003cli\u003eIncludes INS-32-K sound insert installed (Sound Level: Volume Insert)\u003c\/li\u003e\n  \u003cli\u003eDesigned, developed, and made in the USA with support from Team Honda HRC (USA \u0026amp; Europe)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment \u0026amp; Notes\u003c\/h3\u003e\n\u003cp\u003e\nFitment: 2025–2026 Honda CRF450R\/RX (as stated in product title and manufacturer details). Includes INS-32-K sound insert installed. Spark arrester options may vary by insert selection.\n\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":47761503781015,"sku":"225860S520","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/225860S520_a_l.jpg?v=1777846679","url":"https:\/\/allamericanktm.com\/products\/crf450r-rx-25-26-rs-12-stainless-full-exhaust-w-stainless-muffler-225860s520","provider":"All American KTM","version":"1.0","type":"link"}