The FMF PowerCore 4 HEX Slip-On Exhaust Muffler, manufacturer part number 045589 and vendor part number 79-3092, is designed to deliver race-inspired performance for select KTM and Husqvarna four-stroke motorcycles. Developed from FMF's high-performance exhaust technology, this muffler helps improve overall horsepower and torque while providing the rugged durability required for demanding off-road and motocross use.
Built with stainless steel and aluminum construction, the PowerCore 4 HEX combines strength with a practical, lightweight design. Its internal core uses FMF Hi-Flo technology to improve exhaust flow, while enhanced sonic evacuation supports increased performance and a responsive power delivery. Space Age internal packing material helps extend packing life for dependable service between maintenance intervals.
This FMF slip-on muffler includes a removable spark arrestor and can be used with either an FMF header or the stock OEM header. Fitment includes the 2015 KTM 250 SX-F Factory Edition, 2015 KTM 450 SX-F Factory Edition, 2016-2017 KTM 350 SX-F, 2016-2017 KTM 350 XC-F, 2016 Husqvarna FC 250, 2016 Husqvarna FC 350, and 2017 Husqvarna FC 250, FX 450, and FC 350. Verify the motorcycle model and year before installation.
Features:
- Performance: Designed to provide an overall increase in horsepower and torque.
- Construction: Durable stainless steel and aluminum materials support long-term off-road use.
- Packing: Space Age internal packing material promotes maximum longevity.
- Exhaust Flow: Hi-Flo internal core technology and enhanced sonic evacuation improve exhaust flow.
- Spark Arrestor: Includes a removable spark arrestor for trail-compatible operation.
- Header Compatibility: Compatible with FMF headers or the stock OEM header.
- Fitment: Fits select 2015-2017 KTM and Husqvarna four-stroke motorcycles.
Fitment:
2015 KTM 250 SX-F
2015 KTM 250 SX-F Factory Edition
2015 KTM 350 SX-F
2015 KTM 450 SX-F
2015 KTM 450 SX-F Factory Edition
2016 Husqvarna FC 250
2016 Husqvarna FC 350
2016 Husqvarna FC 450
2016 KTM 250 SX-F
2016 KTM 250 XC-F
2016 KTM 350 SX-F
2016 KTM 350 XC-F
2016 KTM 450 SX-F
2016 KTM 450 XC-F
2017 Husqvarna FC 250
2017 Husqvarna FC 350
2017 Husqvarna FC 450
2017 Husqvarna FE 250
2017 Husqvarna FE 350
2017 Husqvarna FE 450
2017 Husqvarna FE 501
2017 Husqvarna FX 350
2017 Husqvarna FX 450
2017 KTM 250 EXC-F
2017 KTM 250 SX-F
2017 KTM 250 XC-F
2017 KTM 350 EXC-F
2017 KTM 350 SX-F
2017 KTM 350 XC-F
2017 KTM 450 EXC-F
2017 KTM 450 SX-F
2017 KTM 450 XC-F
2017 KTM 500 EXC-F
2018 Husqvarna FC 250
2018 Husqvarna FC 350
2018 Husqvarna FC 450
2018 Husqvarna FE 250
2018 Husqvarna FE 350
2018 Husqvarna FE 450
2018 Husqvarna FE 501
2018 Husqvarna FX 350
2018 Husqvarna FX 450
2018 KTM 250 EXC-F
2018 KTM 250 SX-F
2018 KTM 250 XC-F
2018 KTM 350 EXC-F
2018 KTM 350 SX-F
2018 KTM 350 XC-F
2018 KTM 450 EXC-F
2018 KTM 450 SX-F
2018 KTM 450 XC-F
2018 KTM 500 EXC-F
2019 Husqvarna FE 250
2019 Husqvarna FE 350
2019 Husqvarna FE 450
2019 Husqvarna FE 501
2019 KTM 250 EXC-F
2019 KTM 350 EXC-F
2019 KTM 450 EXC-F
2019 KTM 500 EXC-F