Experience high-performance sound and durability with the FMF Racing Factory 4.1 RCT Muffler designed for Kawasaki KX450F models from 2019 to 2023 and the KX450X from 2021. Crafted with stainless steel and an aluminum body, this muffler features a beautiful racing carbon fiber cap that enhances both aesthetics and function. It delivers a powerful exhaust tone while optimizing your bike's performance for a superior riding experience.The Factory 4.1 RCT SO Muffler is engineered to provide excellent power gains and reduce weight compared to stock options. FMF's signature design ensures long-lasting quality and reliability on the toughest trails, making it a favorite among motocross enthusiasts and racers alike. Easy to install, it fits perfectly on your Kawasaki, giving you that aggressive edge and unmistakable style on the track or trail.
