Seller notes

As the leader in high-performance quiet technology, FMF proudly introduces the Q4 HEX, representing the next evolution in off-road exhaust systems. Engineered with precision, the Q4 harnesses intricate chambers, baffles, and proprietary multistage packing material to deliver unparalleled performance while maintaining a whisper-quiet profile. With the Q4, you wont just hear the power—youll feel it.   Experience the perfect balance of power and silence with the Q4, where less sound equals more ...

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