{"product_id":"fmf-factory-4-1-rct-titanium-anodized-full-system-yamaha-wr250f-2023-2025-yamaha-yz250f-2019-2026-1-more-4-stroke-3","title":"FMF Factory 4.1 — RCT Titanium Anodized Full System — Yamaha WR250F (2023-2025), Yamaha","description":"\u003cp\u003eThe Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology (RCT) — both internally and externally. A patent-pending shape enhances and refines the exhaust pressure wave for optimal power output while lowering the sound level. Constructed from aerospace-grade titanium with a carbon end cap, the system is shorter, lighter, and quieter than stock.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFMF Resonance Chamber Technology (RCT) for power + quieter operation\u003c\/li\u003e\n  \u003cli\u003eAerospace-grade titanium construction with carbon end cap\u003c\/li\u003e\n  \u003cli\u003eShorter overall length — less crash-damage exposure, mass centralized\u003c\/li\u003e\n  \u003cli\u003eRapid Tuning System (RTS) for easy insert and spark-arrestor swaps\u003c\/li\u003e\n  \u003cli\u003eQuieter than stock with huge weight savings\u003c\/li\u003e\n  \u003cli\u003eManufactured 100% in Southern California\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 WR250F (2023-2025)\u003c\/li\u003e\n  \u003cli\u003eYamaha YZ250F (2019-2026)\u003c\/li\u003e\n  \u003cli\u003eYamaha YZ250FX (2020-2026)\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":48020676313242,"sku":"357890","price":764.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/6166\/7738\/files\/357890_1775651847_93ffe5e3-899d-4788-adeb-e2db7a6c0ecb.png?v=1778741365","url":"https:\/\/garamoto.com\/products\/fmf-factory-4-1-rct-titanium-anodized-full-system-yamaha-wr250f-2023-2025-yamaha-yz250f-2019-2026-1-more-4-stroke-3","provider":"GARA","version":"1.0","type":"link"}