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| SKU | FMF045586 |
| MPN | 045586 |
| GTIN | 045586 |
| Certifications | None |
| Material | Titanium |
| Color/Finish | Anodized Titanium |
| Bolt Pattern / PCD | Carbon Fiber End Cap |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | KTM | 450 SX-F | Base |
| 2015-2017 | KTM | 450 SX-F Factory Edition | Base |
| 2016-2018 | KTM | 450 XC-F | Base |
| 2017-2019 | KTM | 500 EXC-F | Base |
| 2017-2019 | KTM | 250 EXC-F | Base |
| 2016-2018 | KTM | 250 SX-F | Base |
| 2015-2016 | KTM | 250 SX-F Factory Edition | Base |
| 2016-2018 | KTM | 250 XC-F | Base |
| 2017-2019 | KTM | 350 EXC-F | Base |
| 2016-2018 | KTM | 350 SX-F | Base |
| 2016-2018 | KTM | 350 XC-F | Base |
| 2018-2019 | KTM | 450 EXC-F | Base |
The FMF 4-Stroke Factory 4.1 RCT Muffler is designed for serious riders looking to enhance their KTM 250-450SXF and FE/XCF models from 2015 to 2018, as well as HQV FX250-450-501 models from 2016 to 2018. This high-performance muffler features a titanium anodized finish that not only adds durability but also offers a sleek look that complements the aggressive styling of your machine.
Engineered by FMF Racing, a trusted name in motorsports, the Factory 4.1 RCT Muffler delivers a perfect balance of power and sound. Its construction ensures improved exhaust flow while maintaining noise compliance, letting you experience the full potential of your 4-stroke bike without compromising on style and reliability.
Installation is straightforward, designed to fit precisely without modifications, making it a great upgrade for riders seeking enhanced performance and a refined exhaust note. The carbon fiber end cap adds an extra touch of toughness and modern flair, ensuring your bike stands out on the track or trail.
Whether you're hitting the motocross track, trail riding, or pushing your bike to the limits, the FMF Factory 4.1 RCT Muffler is built to withstand rigorous conditions and help you unlock powerful performance gains. Experience the thrill of refined exhaust tuning with FMF Racing's trusted expertise and premium build quality.
Engineered by FMF Racing, a trusted name in motorsports, the Factory 4.1 RCT Muffler delivers a perfect balance of power and sound. Its construction ensures improved exhaust flow while maintaining noise compliance, letting you experience the full potential of your 4-stroke bike without compromising on style and reliability.
Installation is straightforward, designed to fit precisely without modifications, making it a great upgrade for riders seeking enhanced performance and a refined exhaust note. The carbon fiber end cap adds an extra touch of toughness and modern flair, ensuring your bike stands out on the track or trail.
Whether you're hitting the motocross track, trail riding, or pushing your bike to the limits, the FMF Factory 4.1 RCT Muffler is built to withstand rigorous conditions and help you unlock powerful performance gains. Experience the thrill of refined exhaust tuning with FMF Racing's trusted expertise and premium build quality.
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.

















