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FMF Racing Beta 350/390/430/480RR 20-25 Hex Q4 S/A Muffler
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FMF Racing Hex Q4 S/A Muffler fits 2020-2025 Beta 350RR / 2020-2025 Beta 390RR / 2020-2025 Beta 430RR / 2020-2025 Beta 480RR

FMF Racing
045667
Out of stock
$449.99 USD

FMF Racing Hex Q4 S/A Muffler fits 2020-2025 Beta 350RR / 2020-2025 Beta 390RR / 2020-2025 Beta 430RR / 2020-2025 Beta 480RR
A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system resulting in a flow increase of nearly 10%. The surface of the perforated core lets the sound exit into the absorbing material (steel wool packing) and then allows the air to expand, cool and ramp back up at higher air pressures (RPMs). The Power Bomb is a "pre-muffler" of sorts, which helps to lower the bike's sound output because it provides more sound-absorbing surface area to allow the exhaust gases to become absorbed.

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
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