{"product_id":"fmf-racing-factory-4-1-rct-exhaust-system-for-yamaha-yz450f-2023-2025-with-titanium-muffler-and-carbon-end-cap","title":"FMF Racing Factory 4.1 RCT Exhaust System for Yamaha YZ450F (2023-2025) with Titanium Muffler and Carbon End Cap","description":"The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.\n\u003cul\u003e\n  \u003cli\u003eHighest-quality proprietary blend of alloy grade titanium\u003c\/li\u003e\n  \u003cli\u003eBlue anodized titanium muffler with carbon end cap\u003c\/li\u003e\n  \u003cli\u003eMassive power gains throughout the RPM range\u003c\/li\u003e\n  \u003cli\u003eRapid Tuning System (RTS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FMF Racing Factory 4.1 RCT exhaust system is engineered to enhance your Yamaha YZ450F's performance with cutting-edge FMF Resonance Chamber Technology™ that optimizes sound and power output. Crafted from aerospace-grade titanium, this exhaust features a blue anodized muffler with a carbon end cap, combining durability with a sleek aesthetic. Its compact design reduces overall length, making it less vulnerable to crash damage and improving weight distribution by moving the muffler closer to the engine for better centralized mass. This design improvement results in more responsive handling and a more balanced ride, ideal for competitive riders and enthusiasts alike.\u003cbr\u003eConstructed entirely in our Southern California factory, the Factory 4.1 RCT guarantees high-quality manufacturing standards. Its rapid tuning system (RTS) allows for quick adjustments to optimize performance across different riding conditions. The system delivers significant power gains throughout the RPM range, providing increased acceleration and top-end performance, all while maintaining a lightweight profile that doesn't compromise strength or reliability. The inclusion of proprietary alloy grade titanium ensures the exhaust remains corrosion-resistant, even in challenging environments, extending its lifespan and maintaining optimal performance over time.\u003cbr\u003eDesigned specifically for Yamaha YZ450F models from 2023 through 2025, including special editions such as the Monster Energy Yamaha Racing Edition and the 50th Anniversary Edition, this exhaust system is a perfect upgrade for riders seeking maximum power and durability. Easy to install, it seamlessly integrates with your bike’s existing components, giving you a competitive edge on the track or trail. Whether you are a professional racer or a dedicated enthusiast, the FMF Racing Factory 4.1 RCT combines innovative technology, lightweight construction, and superior craftsmanship to elevate your Yamaha YZ450F’s performance to new heights.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFMF Resonance Chamber Technology™ for optimized sound and power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from aerospace-grade titanium for durability and corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlue anodized titanium muffler with carbon end cap for a sleek look and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eShorter overall length to reduce crash susceptibility and improve handling\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCentralized muffler positioning for better weight distribution\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRapid Tuning System (RTS) for quick performance adjustments\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSignificant power gains across the entire RPM range\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned specifically for Yamaha YZ450F models from 2023 to 2025\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured in the USA with strict quality standards\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2023 Yamaha YZ450F Base\u003cbr\u003e\n2023 Yamaha YZ450F Monster Energy Yamaha Racing Edition Base\u003cbr\u003e\n2023 Yamaha YZ450FX Base\u003cbr\u003e\n2024 Yamaha WR450F Base\u003cbr\u003e\n2024 Yamaha YZ450F Base\u003cbr\u003e\n2024 Yamaha YZ450F 50th Anniversary Edition Base\u003cbr\u003e\n2024 Yamaha YZ450FX Base\u003cbr\u003e\n2025 Yamaha WR450F Base\u003cbr\u003e\n2025 Yamaha YZ450F Base\u003cbr\u003e\n2025 Yamaha YZ450F Monster Energy Yamaha Racing Edition Base\u003cbr\u003e\n2025 Yamaha YZ450FX Base\u003cbr\u003e\n2026 Yamaha WR450F Base\u003cbr\u003e\n2026 Yamaha YZ450FX Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Unknown\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: powersports\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"FMF Racing","offers":[{"title":"Default Title","offer_id":50978867413244,"sku":"044489","price":1439.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/8d41fc525bdc32b9266eb6b589713502L.jpg?v=1786684459","url":"https:\/\/diycustoms.store\/products\/fmf-racing-factory-4-1-rct-exhaust-system-for-yamaha-yz450f-2023-2025-with-titanium-muffler-and-carbon-end-cap","provider":"diycustoms.store","version":"1.0","type":"link"}