FMF Factory 4.

Discover the FMF Factory 4.1 RCT exhaust for KTM, Husqvarna, and Gas Gas

• Internal and external RCT (Resonance Chamber Technology™) for optimal performance
• Constructed with aerospace-grade materials for exceptional durability
• Significant power gain across the entire RPM range for increased performance
• Considerable weight savings for improved handling
• RTS (Rapid Tuning System) for quick and easy tuning

The FMF Factory 4.1 RCT exhaust is designed for KTM, Husqvarna, and Gas Gas motorcycles, offering a perfect combination of performance, durability, and lightweight design. With RCT technology, you will experience increased power throughout the RPM range, allowing you to push your limits with confidence.

Built with aerospace-grade materials and manufactured 100% in FMF's Southern California factory, this exhaust is built to last. Its sturdy construction makes it less likely to be damaged in case of an accident, while its reduced weight helps improve your motorcycle's handling.

With the RTS (Rapid Tuning System), you can quickly and easily adjust your exhaust for the desired performance. Don't compromise on quality and performance - choose the FMF Factory 4.1 RCT exhaust for your KTM, Husqvarna, or Gas Gas motorcycle.