{"product_id":"fmf-powercore-4-hex-muffler-for-ktm-and-husqvarna-4-stroke-models-part-045645","title":"FMF PowerCore 4 HEX Muffler for KTM and Husqvarna 4-Stroke Models, Part 045645","description":"When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.\n\u003cp\u003eThe FMF PowerCore 4 HEX muffler is designed to provide race-inspired performance, improved durability, and dependable trail functionality for select KTM, Husqvarna, and GasGas four-stroke motorcycles. Built with a combination of stainless steel and aluminum, this muffler offers a strong, lightweight construction suited for demanding off-road conditions. The PowerCore 4 HEX is compatible with the FMF or stock OEM header, making it a practical performance upgrade for riders seeking increased exhaust flow and responsive engine performance.\u003c\/p\u003e\u003cp\u003eFMF Hi-Flo technology uses an optimized internal core shape to enhance sonic evacuation, helping increase exhaust flow, horsepower, and torque throughout the powerband. The muffler also includes space-age internal packing material engineered for extended service life and consistent performance. A removable spark arrestor is included for added versatility when riding in approved off-road and forest environments.\u003c\/p\u003e\u003cp\u003eThis FMF PowerCore 4 HEX muffler, manufacturer part number 045645 and vendor part number 045645, fits select 2020 KTM 500 XCF-W, 2020 KTM 350 XCF-W, 2020 Husqvarna FE 250, 2020 Husqvarna FE 350, and 2020 Husqvarna FE 501 models. It also fits select 2021 GasGas EC 350F, 2021 KTM 350 XCF-W, 2021 KTM 500 XCF-W, 2021 Husqvarna FE 350, and 2021 Husqvarna FE 501 motorcycles. Verify the motorcycle model and year before installation to confirm fitment.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePower and Torque: Delivers an overall increase in engine power and torque.\u003c\/li\u003e\n\u003cli\u003eConstruction: Uses durable stainless steel and aluminum materials for dependable off-road performance.\u003c\/li\u003e\n\u003cli\u003eInternal Packing: Includes long-lasting space-age packing material for extended muffler service life.\u003c\/li\u003e\n\u003cli\u003eHi-Flo Core: Features an internal core design that promotes efficient exhaust flow.\u003c\/li\u003e\n\u003cli\u003eExhaust Evacuation: Enhanced sonic evacuation supports higher flow and increased power.\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Includes a removable spark arrestor for versatile off-road use.\u003c\/li\u003e\n\u003cli\u003eHeader Compatibility: Can be used with an FMF or stock OEM header.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits select 2020 and 2021 KTM, Husqvarna, and GasGas four-stroke models listed in the product description.\u003c\/li\u003e\n\u003cli\u003eBrand and Part Number: FMF PowerCore 4 HEX muffler, manufacturer and vendor part number 045645.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2020 Husqvarna FE 250\u003cbr\u003e\n2020 Husqvarna FE 350\u003cbr\u003e\n2020 Husqvarna FE 450\u003cbr\u003e\n2020 Husqvarna FE 501\u003cbr\u003e\n2020 KTM 350 XCF-W\u003cbr\u003e\n2020 KTM 500 XCF-W\u003cbr\u003e\n2021 Gas-Gas EC 250F\u003cbr\u003e\n2021 Gas-Gas EC 350F\u003cbr\u003e\n2021 Husqvarna FE 250\u003cbr\u003e\n2021 Husqvarna FE 350\u003cbr\u003e\n2021 Husqvarna FE 450\u003cbr\u003e\n2021 Husqvarna FE 501\u003cbr\u003e\n2021 KTM 350 XCF-W\u003cbr\u003e\n2021 KTM 500 XCF-W\u003cbr\u003e\n2022 Gas-Gas EC 350F\u003cbr\u003e\n2022 Husqvarna FE 250\u003cbr\u003e\n2022 Husqvarna FE 350\u003cbr\u003e\n2022 Husqvarna FE 450\u003cbr\u003e\n2022 Husqvarna FE 501\u003cbr\u003e\n2022 KTM 350 XCF-W\u003cbr\u003e\n2022 KTM 500 XCF-W\u003cbr\u003e\n2023 Gas-Gas EC 350F\u003cbr\u003e\n2023 Husqvarna FE 250\u003cbr\u003e\n2023 Husqvarna FE 350\u003cbr\u003e\n2023 Husqvarna FE 450\u003cbr\u003e\n2023 Husqvarna FE 501\u003cbr\u003e\n2023 KTM 350 XCF-W\u003cbr\u003e\n2023 KTM 450 XCF-W\u003cbr\u003e\n2023 KTM 500 XCF-W","brand":"FMF","offers":[{"title":"Default Title","offer_id":67551760187627,"sku":"79-3096","price":382.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/0466-5db99c7fd19b9.jpg?v=1790724626","url":"https:\/\/ctracingservices.com\/products\/fmf-powercore-4-hex-muffler-for-ktm-and-husqvarna-4-stroke-models-part-045645","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}