{"product_id":"fmf-042374-factory-4-1-rct-slip-on-muffler-kawasaki-kx250-moto-house-mx","title":"FMF Factory 4.1 RCT Slip-On Muffler 042374 — Kawasaki KX250 2019-2020","description":"\u003ch1\u003e\u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler 042374 — Kawasaki KX250 2019-2020\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler\u003c\/strong\u003e is the ultimate performance upgrade for your 2019-2020 Kawasaki KX250. Utilizing FMF's patented \u003cstrong\u003eResonance Chamber Technology (RCT)\u003c\/strong\u003e, this exhaust system features a sophisticated core shape that effectively lowers decibel levels while actually boosting overall power output. The internal ducting system increases exhaust volume for improved flow, delivering noticeable power gains throughout the entire RPM range.\u003c\/p\u003e\n\u003cp\u003eDesigned with \u003cstrong\u003eFactory Forward Engineering\u003c\/strong\u003e, the muffler is positioned closer to the engine to centralize mass, significantly improving your bike's handling and protecting the unit from crash damage. Built with a durable aluminum canister and a premium carbon fiber end cap, this muffler is lightweight and designed to last. Each unit includes a QuietCore 94 dB insert and a spark arrestor, ensuring you have the performance you need for the track and the compliance required for the trails.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Factory 4.1 RCT Slip-On\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResonance Chamber Technology (RCT) provides maximum power with lower decibels\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering centralizes mass for better handling and durability\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum canister construction with a premium carbon fiber end cap\u003c\/li\u003e\n\u003cli\u003eIncludes QuietCore 94 dB insert and spark arrestor for trail versatility\u003c\/li\u003e\n\u003cli\u003eCompatible with your stock header or an upgraded FMF performance header\u003c\/li\u003e\n\u003cli\u003eProudly made in the U.S.A. and meets AMA\/FIM sound standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eFitment List\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; margin-top: 15px; margin-bottom: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f7f7f7;\"\u003e\n\u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eYear Range\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eVehicle Brand\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003e2019-2020\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eKawasaki\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eKX250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this muffler difficult to install?\u003c\/strong\u003e\u003cbr\u003eA: No, the 4.1 RCT slip-on is designed to bolt directly onto your stock mounting points and header, making for a straightforward installation process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I check the spark arrestor?\u003c\/strong\u003e\u003cbr\u003eA: If you ride in environments that require spark arrestors, we recommend checking the mesh screen periodically for any debris or buildup to maintain optimal flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Pro-Tip:\u003c\/strong\u003e To maximize the life of your FMF exhaust, keep a close eye on the muffler packing. When the exhaust note starts to get significantly louder, it's time for a repack. Fresh packing keeps your power consistent, protects your canister from excess heat, and ensures you stay well within track sound requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Pairings:\u003c\/strong\u003e\u003cbr\u003eo \u003ca href=\"https:\/\/motohousemx.com\/collections\/kawasaki-4-stroke-dirt-bikes-performance-parts-accessories-moto-house-mx\"\u003eKawasaki 4-Stroke Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003cbr\u003eo \u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eEssential Motorcycle Tools\u003c\/a\u003e\u003cbr\u003eo \u003ca href=\"https:\/\/motohousemx.com\/collections\/premium-motorcycle-chemicals-brake-fluid-bike-wash-coolant-chain-lubes\"\u003ePremium Motorcycle Chemicals \u0026amp; Lubricants\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. Every order ships fast from our Central Florida location.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMoto-House MX – Choice of Champions\u003c\/strong\u003e – Clermont \/ Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":40178434801747,"sku":"042374","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/fmf-aluminum-factory-41-rct-slip-on-carbon-fiber-end-cap-2019-2020-kawasaki-kx250f-042374-999303.jpg?v=1735341940","url":"https:\/\/motohousemx.com\/products\/fmf-042374-factory-4-1-rct-slip-on-muffler-kawasaki-kx250-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}