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Enhance your powersports performance with the FMF Racing Beta 350/390/430/480RR 20-25 Hex Q4 Sound-Absorbing Header System. Designed specifically for models from 2020 to 2025, this header system integrates FMF's patented Power Bomb module at a precise location in the initial stage of the header. This strategic positioning allows for a nearly 10% increase in exhaust flow by optimizing the expansion and contraction of exhaust gases, leading to improved engine efficiency and responsiveness. The perforated core surface enables sound to exit into the absorbing material, effectively reducing noise levels while maintaining optimal exhaust flow. The steel wool packing inside helps absorb sound and allows the exhaust gases to expand, cool, and re-pressurize at higher RPMs, resulting in a smoother and more controlled exhaust note. The system's design not only boosts performance but also complies with EPA standards, ensuring environmentally responsible operation.
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