Images may differ
Some product images are generic and supplied by the manufacturer. Always check the product title, specifications and fitment information before ordering.
| SKU | FMF044488 |
| MPN | 044488 |
| GTIN | 044488 |
| Certifications | None |
| Material | Anodized Titanium |
| Color/Finish | Anodized Titanium with Carbon Cap |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2025 | Yamaha | Wr450f | |
| 2018-2025 | Yamaha | Yz450f | |
| 2024 | Yamaha | Yz450f 50th Anniversary Edition | |
| 2021-2023,2025 | Yamaha | Yz450f Monster Energy Yamaha Racing Edition | |
| 2018-2025 | Yamaha | Yz450fx |
Experience top-tier performance with the FMF 4-Stroke Factory 4.1 RCT Muffler, designed for 18 to 26 Yamaha YZ450F and 19 to 24 YZ450FX models. Crafted with an anodized titanium body, this muffler combines durability with lightweight strength to enhance your bike's power and sound. The inclusion of a stainless outlet and a carbon fiber end cap not only boosts its endurance but also adds a sleek, modern aesthetic to your ride.
This muffler features FMF's renowned RCT (Reflective Chamber Technology) which helps reduce noise while maximizing horsepower, ensuring your bike runs efficiently and smoothly without sacrificing the aggressive sound that enthusiasts crave. Easy to install and engineered for precise fitment, it is an excellent upgrade for riders looking to optimize their machine's exhaust flow and performance.
This muffler features FMF's renowned RCT (Reflective Chamber Technology) which helps reduce noise while maximizing horsepower, ensuring your bike runs efficiently and smoothly without sacrificing the aggressive sound that enthusiasts crave. Easy to install and engineered for precise fitment, it is an excellent upgrade for riders looking to optimize their machine's exhaust flow and performance.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















