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FMF Racing Beta 350/390/430/480RR 20-25 Powercore 4 Hex Muffler

Awaiting stock, shipping soon


Regular price $399.99
Sale price $399.99 Regular price
Shipping calculated at checkout.


The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.

This Part Fits:

Year Make Model Submodel
2020,2023-2024 Beta 350 RR Base
2025 Beta 350 RR X-Pro Base
2020-2025 Beta 350 RR-Race Edition Base
2020-2023 Beta 350 RR-S Base
2020,2023-2024 Beta 390 RR Base
2025 Beta 390 RR X-Pro Base
2020-2025 Beta 390 RR-Race Edition Base
2020-2023 Beta 390 RR-S Base
2020,2023-2024 Beta 430 RR Base
2025 Beta 430 RR X-Pro Base
2020-2025 Beta 430 RR-Race Edition Base
2020-2023 Beta 430 RR-S Base
2020,2023-2024 Beta 480 RR Base
2025 Beta 480 RR X-Pro Base
2020-2025 Beta 480 RR-Race Edition Base



FMF Racing Beta 350/390/430/480RR 20-25 Powercore 4 Hex Muffler

$399.99

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