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The FMF Racing Hex Q4 Muffler is designed to optimize performance for select KTM models, including the 2020-2023 KTM 350 and 500 XCF-W, as well as the 2021 FE250-501 and EC250-350. This high-quality exhaust component features a meticulously engineered 4-stroke header system that incorporates FMF's patented Power Bomb module at a strategic point within the header. By positioning the Power Bomb at this critical location, the system enhances exhaust flow efficiency, resulting in nearly a 10% increase in power output. This design improves throttle response and overall engine performance, making it a valuable upgrade for serious riders seeking increased power and efficiency.
Constructed with a perforated core and steel wool packing, the Hex Q4 Muffler effectively manages exhaust sound levels while providing superior sound absorption. The perforated core allows exhaust gases to expand into the absorbing material, which reduces noise output and helps meet sound regulations without compromising performance. The design also promotes better cooling and higher air pressure handling, which enhances durability and performance at higher RPMs. This muffler is compliant with EPA standards and does not require carb acknowledgment, making it suitable for a variety of riding environments.
Installation is straightforward, and the muffler is built to fit specific KTM models, ensuring a perfect fit and reliable operation. Whether you're upgrading your bike for competitive racing or recreational riding, the FMF Racing Hex Q4 Muffler offers improved exhaust flow, reduced noise, and enhanced durability, making it an excellent choice for power sports enthusiasts seeking quality and performance in one package.
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