{"product_id":"fmf-factory-4-1-rct-aluminum-slip-on-exhaust-with-end-cap-for-kawasaki-kx450f-and-kx450x-part-042369","title":"FMF Factory 4.1 RCT Aluminum Slip-On Exhaust with End Cap for Kawasaki KX450F and KX450X – Part 042369","description":"\u003cp\u003eUpgrade the exhaust performance and sound control of your Kawasaki motocross or cross-country motorcycle with the FMF Factory 4.1 RCT Aluminum Slip-On Exhaust. Designed for select 2019–2023 Kawasaki KX450F models and 2021–2023 Kawasaki KX450X models, this tuned exhaust uses FMF Resonance Chamber Technology to refine exhaust pressure while helping maintain strong power output. The aluminum canister is paired with a stainless steel mid-pipe for a durable, application-specific design.\u003c\/p\u003e\u003cp\u003ePatented construction helps reduce sound levels without sacrificing performance. The patented core shape and expanded canister provide additional space for sound-absorbing material, while the chamber design improves exhaust flow and pressure characteristics. FMF Factory Forward Engineering centralizes the exhaust mass and helps reduce exposure to crash damage, making this slip-on a practical choice for demanding track and trail use.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward with the included end cap, spark arrestor, and wash plug. The innovative rear end cap also supports simple installation of tuning tip inserts or a spark arrestor when configuration changes are needed. This product is manufactured by FMF and identified by manufacturer and vendor part number 042369. Verify the motorcycle model and year before ordering to ensure proper fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2019–2023 Kawasaki KX450F; 2021–2023 Kawasaki KX450X.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResonance Chamber Technology: Incorporates FMF's latest chamber technology for refined exhaust performance.\u003c\/li\u003e\n\u003cli\u003ePatented Core Shape: Helps lower sound levels while maintaining maximum power output.\u003c\/li\u003e\n\u003cli\u003eExpanded Canister: Increases internal volume for additional sound-absorbing material.\u003c\/li\u003e\n\u003cli\u003ePatented Chamber Design: Enhances and refines exhaust pressure for application-specific tuning.\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering: Centralizes mass and helps reduce vulnerability to crash damage.\u003c\/li\u003e\n\u003cli\u003eApplication-Specific Tuning: Uses optimized core specifications for the Kawasaki KX450F and KX450X.\u003c\/li\u003e\n\u003cli\u003eAluminum Construction: Includes an aluminum canister with a stainless steel mid-pipe.\u003c\/li\u003e\n\u003cli\u003eRear End Cap: Allows simple installation of tuning tip inserts or a spark arrestor.\u003c\/li\u003e\n\u003cli\u003eIncluded Components: Spark arrestor and wash plug are included.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits 2019–2023 Kawasaki KX450F and 2021–2023 Kawasaki KX450X models.\u003c\/li\u003e\n\u003cli\u003eBrand and Part Number: FMF Factory 4.1 RCT, manufacturer and vendor part number 042369.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2019 Kawasaki KX450F\u003cbr\u003e\n2020 Kawasaki KX450F\u003cbr\u003e\n2021 Kawasaki KX450F\u003cbr\u003e\n2021 Kawasaki KX450X\u003cbr\u003e\n2022 Kawasaki KX450F\u003cbr\u003e\n2022 Kawasaki KX450X\u003cbr\u003e\n2023 Kawasaki KX450F\u003cbr\u003e\n2023 Kawasaki KX450X","brand":"FMF","offers":[{"title":"Default Title","offer_id":67552026558699,"sku":"79-40637","price":506.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/89b0-69dfc5123fbed_f291ef86-b041-4a36-96fa-4e044cc51aec.jpg?v=1790732640","url":"https:\/\/ctracingservices.com\/products\/fmf-factory-4-1-rct-aluminum-slip-on-exhaust-with-end-cap-for-kawasaki-kx450f-and-kx450x-part-042369","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}