FMF 045647 Factory 4.1 RCT Slip-On Muffler - Stainless Steel with Carbon Fiber End Cap
Manufacturer Part Number: 045647
Drag Part Number: 1821-2000
Factory 4.1 RCT Slip-On Muffler - Stainless Steel with Carbon Fiber End Cap
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- Compatible with stock header or FMF header
- Meets AMA and FIM sound requirements
- QuietCore 94 dB insert included
- Spark arrestor included in muffler
- Made in the USA
Fitment
- 2020 Husqvarna FE250
- 2020 Husqvarna FE350
- 2020 Husqvarna FE450
- 2020 Husqvarna FE501
- 2020 KTM 350 XCF-W
- 2020 KTM 500 XCF-W
- 2021 Gas Gas EC 250F
- 2021 Gas Gas EC 350F
- 2021 Husqvarna FE250
- 2021 Husqvarna FE350
- 2021 Husqvarna FE450
- 2021 Husqvarna FE501
- 2021 KTM 350 XCF-W
- 2021 KTM 500 XCF-W
- 2022 Husqvarna FE 250
- 2022 Husqvarna FE 450
- 2022 Husqvarna FE350
- 2022 Husqvarna FE501
- 2022 KTM 350 XCF-W
- 2022 KTM 500 XCF-W
- 2023 KTM 450 XCF-W
Fitment confidence: VERIFIED_API_JSON_EXACT_PRODUCT_HIERARCHY_MATCH
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
Yes
