{"product_id":"fmf-factory-4-1-rct-stainless-full-system-yamaha-wr450f-2019-2026-yamaha-yz450f-2018-2026-1-more-4-stroke","title":"FMF Factory 4.1 — RCT Stainless Full System — Yamaha WR450F (2019-2026), Yamaha YZ450F — (see","description":"\u003cp\u003eThe Factory 4.1 RCT in stainless steel construction. Same Resonance Chamber Technology and power gains as the titanium system, with a stainless mid-pipe and muffler body for budget-friendly toughness. Shorter length, lighter than stock, and quieter than OEM with FMF's Rapid Tuning System.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFMF Resonance Chamber Technology (RCT)\u003c\/li\u003e\n  \u003cli\u003e304 stainless steel construction — rugged and corrosion-resistant\u003c\/li\u003e\n  \u003cli\u003eShorter overall length for mass centralization\u003c\/li\u003e\n  \u003cli\u003eRapid Tuning System (RTS) — sound insert and spark arrestor swaps\u003c\/li\u003e\n  \u003cli\u003eQuieter than stock with weight savings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 4-stroke bike specific — fits the following models:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eYamaha WR450F (2019-2026)\u003c\/li\u003e\n  \u003cli\u003eYamaha YZ450F (2018-2026)\u003c\/li\u003e\n  \u003cli\u003eYamaha YZ450FX (2019-2026)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a 4-stroke exhaust. It is engineered for the 4-stroke engine architecture above and physically will not fit a 2-stroke bike. Verify your engine type before purchase.\u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":48020663402650,"sku":"357782","price":584.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/6166\/7738\/files\/357782_1744912082.jpg?v=1778738987","url":"https:\/\/garamoto.com\/products\/fmf-factory-4-1-rct-stainless-full-system-yamaha-wr450f-2019-2026-yamaha-yz450f-2018-2026-1-more-4-stroke","provider":"GARA","version":"1.0","type":"link"}