The 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.
FMF 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.
This 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.
Features:
- Power and Torque: Delivers an overall increase in engine power and torque.
- Construction: Uses durable stainless steel and aluminum materials for dependable off-road performance.
- Internal Packing: Includes long-lasting space-age packing material for extended muffler service life.
- Hi-Flo Core: Features an internal core design that promotes efficient exhaust flow.
- Exhaust Evacuation: Enhanced sonic evacuation supports higher flow and increased power.
- Spark Arrestor: Includes a removable spark arrestor for versatile off-road use.
- Header Compatibility: Can be used with an FMF or stock OEM header.
- Fitment: Fits select 2020 and 2021 KTM, Husqvarna, and GasGas four-stroke models listed in the product description.
- Brand and Part Number: FMF PowerCore 4 HEX muffler, manufacturer and vendor part number 045645.
Fitment:
2020 Husqvarna FE 250
2020 Husqvarna FE 350
2020 Husqvarna FE 450
2020 Husqvarna FE 501
2020 KTM 350 XCF-W
2020 KTM 500 XCF-W
2021 Gas-Gas EC 250F
2021 Gas-Gas EC 350F
2021 Husqvarna FE 250
2021 Husqvarna FE 350
2021 Husqvarna FE 450
2021 Husqvarna FE 501
2021 KTM 350 XCF-W
2021 KTM 500 XCF-W
2022 Gas-Gas EC 350F
2022 Husqvarna FE 250
2022 Husqvarna FE 350
2022 Husqvarna FE 450
2022 Husqvarna FE 501
2022 KTM 350 XCF-W
2022 KTM 500 XCF-W
2023 Gas-Gas EC 350F
2023 Husqvarna FE 250
2023 Husqvarna FE 350
2023 Husqvarna FE 450
2023 Husqvarna FE 501
2023 KTM 350 XCF-W
2023 KTM 450 XCF-W
2023 KTM 500 XCF-W