Experience unmatched performance and durability with the FMF 4-Stroke Factory 4.1 RCT Muffler, designed specifically for the Kawasaki KX250F 2021 through 2024 models. This exhaust system features a stainless steel header and a 4.1 RCT chambered muffler that delivers optimal exhaust flow and enhanced sound tuning for your four-stroke engine. The racing-grade construction ensures longevity and withstands the rigors of aggressive riding or competition.The muffler is finished with a lightweight composite system coupled with a carbon fiber cap, giving it an aggressive look while reducing overall weight. As part of FMF Racing’s Factory line, this muffler is engineered to maximize your dirt bike’s power output and throttle response, helping you dominate the track or trail with confidence.Installation is straightforward, designed as a direct fit replacement for the Kawasaki KX250F, providing a boost in both performance and style. Whether you're upgrading your bike for motocross, enduro, or trail riding, this muffler merges cutting-edge technology with track-proven reliability.
