{"product_id":"fmf-factory-4-1-rct-slip-on-exhaust-with-carbon-end-cap-part-045586","title":"FMF Factory 4.1 RCT Slip-On Exhaust with Carbon End Cap, Part 045586","description":"\u003cp\u003eThe FMF Factory 4.1 RCT Slip-On Exhaust is a tuned performance exhaust designed for select KTM and Husqvarna motocross and off-road motorcycles. Manufacturer part number 045586 and vendor part number 045586 identify this application-specific system, which uses FMF’s latest Resonance Chamber Technology to reduce exhaust sound while preserving strong power output. The patented core shape and chamber design help refine exhaust pressure for responsive, consistent engine performance.\u003c\/p\u003e\u003cp\u003eFactory Forward Engineering centralizes mass and helps reduce the likelihood of crash damage, while the patented canister shape provides additional internal volume for sound-absorbing material. Each application receives optimized core specifications for its engine and chassis. This version features a lightweight aluminum canister, stainless steel mid-pipe, and a carbon fiber end cap for a durable, performance-focused construction.\u003c\/p\u003e\u003cp\u003eInstallation and maintenance are simplified with an innovative rear end cap that accepts tuning tip inserts or a spark arrestor. A spark arrestor and wash plug are included, making the exhaust suitable for trail and off-road use where spark-arresting equipment is required. The FMF Factory 4.1 RCT Slip-On fits the 2015 KTM 250 SX-F Factory Edition, 2015 KTM 450 SX-F Factory Edition, 2016-2017 KTM 350 SX-F, 2016 KTM 350 XC-F, 2017 KTM 350 XC-F, 2017 KTM 350 EXC-F, 2016-2017 Husqvarna FC 250, and 2016 Husqvarna FC 350. Verify the motorcycle model and year before ordering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResonance Chamber Technology: Uses FMF’s latest chamber technology to help lower sound levels while maintaining maximum power output.\u003c\/li\u003e\n\u003cli\u003ePatented Core Shape: Refines exhaust flow and pressure for strong, responsive engine performance.\u003c\/li\u003e\n\u003cli\u003ePatented Canister Shape: Increases internal volume for additional sound-absorbing material.\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering: Centralizes exhaust mass and helps reduce exposure to crash damage.\u003c\/li\u003e\n\u003cli\u003eApplication-Specific Tuning: Uses optimized core specifications for each compatible motorcycle.\u003c\/li\u003e\n\u003cli\u003eAluminum Construction: Includes an aluminum canister and stainless steel mid-pipe for durable performance.\u003c\/li\u003e\n\u003cli\u003eCarbon End Cap: Provides a lightweight, durable rear-end finish.\u003c\/li\u003e\n\u003cli\u003eEasy Tuning Access: Rear end cap accepts 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 select 2015-2017 KTM 250 SX-F Factory Edition, 350 SX-F, 350 XC-F, 350 EXC-F, 450 SX-F Factory Edition, Husqvarna FC 250, and Husqvarna FC 350 models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2015 KTM 250 SX-F\u003cbr\u003e\n2015 KTM 250 SX-F Factory Edition\u003cbr\u003e\n2015 KTM 350 SX-F\u003cbr\u003e\n2015 KTM 450 SX-F\u003cbr\u003e\n2015 KTM 450 SX-F Factory Edition\u003cbr\u003e\n2016 Husqvarna FC 250\u003cbr\u003e\n2016 Husqvarna FC 350\u003cbr\u003e\n2016 Husqvarna FC 450\u003cbr\u003e\n2016 KTM 250 SX-F\u003cbr\u003e\n2016 KTM 250 XC-F\u003cbr\u003e\n2016 KTM 350 SX-F\u003cbr\u003e\n2016 KTM 350 XC-F\u003cbr\u003e\n2016 KTM 450 SX-F\u003cbr\u003e\n2016 KTM 450 XC-F\u003cbr\u003e\n2017 Husqvarna FC 250\u003cbr\u003e\n2017 Husqvarna FC 350\u003cbr\u003e\n2017 Husqvarna FC 450\u003cbr\u003e\n2017 Husqvarna FE 250\u003cbr\u003e\n2017 Husqvarna FE 350\u003cbr\u003e\n2017 Husqvarna FE 450\u003cbr\u003e\n2017 Husqvarna FE 501\u003cbr\u003e\n2017 Husqvarna FX 350\u003cbr\u003e\n2017 Husqvarna FX 450\u003cbr\u003e\n2017 KTM 250 EXC-F\u003cbr\u003e\n2017 KTM 250 SX-F\u003cbr\u003e\n2017 KTM 250 XC-F\u003cbr\u003e\n2017 KTM 350 EXC-F\u003cbr\u003e\n2017 KTM 350 SX-F\u003cbr\u003e\n2017 KTM 350 XC-F\u003cbr\u003e\n2017 KTM 450 EXC-F\u003cbr\u003e\n2017 KTM 450 SX-F\u003cbr\u003e\n2017 KTM 450 XC-F\u003cbr\u003e\n2017 KTM 500 EXC-F\u003cbr\u003e\n2018 Husqvarna FC 250\u003cbr\u003e\n2018 Husqvarna FC 350\u003cbr\u003e\n2018 Husqvarna FC 450\u003cbr\u003e\n2018 Husqvarna FE 250\u003cbr\u003e\n2018 Husqvarna FE 350\u003cbr\u003e\n2018 Husqvarna FE 450\u003cbr\u003e\n2018 Husqvarna FE 501\u003cbr\u003e\n2018 Husqvarna FX 350\u003cbr\u003e\n2018 Husqvarna FX 450\u003cbr\u003e\n2018 KTM 250 EXC-F\u003cbr\u003e\n2018 KTM 250 SX-F\u003cbr\u003e\n2018 KTM 250 XC-F\u003cbr\u003e\n2018 KTM 350 EXC-F\u003cbr\u003e\n2018 KTM 350 SX-F\u003cbr\u003e\n2018 KTM 350 XC-F\u003cbr\u003e\n2018 KTM 450 EXC-F\u003cbr\u003e\n2018 KTM 450 SX-F\u003cbr\u003e\n2018 KTM 450 XC-F\u003cbr\u003e\n2018 KTM 500 EXC-F\u003cbr\u003e\n2019 Husqvarna FE 250\u003cbr\u003e\n2019 Husqvarna FE 350\u003cbr\u003e\n2019 Husqvarna FE 450\u003cbr\u003e\n2019 Husqvarna FE 501\u003cbr\u003e\n2019 KTM 250 EXC-F\u003cbr\u003e\n2019 KTM 350 EXC-F\u003cbr\u003e\n2019 KTM 450 EXC-F\u003cbr\u003e\n2019 KTM 500 EXC-F","brand":"FMF","offers":[{"title":"Default Title","offer_id":67552029737195,"sku":"79-40415","price":547.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/60bb-572a8b4f3ce24.jpg?v=1790732755","url":"https:\/\/ctracingservices.com\/products\/fmf-factory-4-1-rct-slip-on-exhaust-with-carbon-end-cap-part-045586","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}