Experience unmatched performance and durability with the FMF 4-Stroke Factory 4.1 RCT Muffler, specially designed for the 2018-2025 Yamaha YZ450F and YZ450FX models. This anodized titanium muffler features cutting-edge RCT technology, optimizing exhaust flow while reducing noise without sacrificing power. Its lightweight construction ensures superior handling and agility on the trail or track.The muffler sports a sleek anodized titanium finish complemented by a remarkable carbon fiber end cap, making it as visually striking as it is functional. Engineered by FMF Racing, a leader in high-performance exhaust solutions, this component promises reliability and enhanced throttle response.Upgrade your Yamaha with the Factory 4.1 RCT muffler to achieve the perfect balance of sound, weight savings, and performance gains. Its easy installation and robust build quality cater to both professional racers and passionate riders seeking to elevate their riding experience.