Watch in action

Unleash Performance with FMF Factory 4.1 RCT

Experience the pinnacle of exhaust technology with the FMF Racing Factory 4.1 RCT Titanium Slip-On. Engineered specifically for the KTM 350, 450, and 500 XCF-W, this muffler is designed to maximize power delivery across the entire RPM range. The RCT (Resonance Chamber Technology) system reduces sound while boosting overall performance, making it the perfect upgrade for competitive riders and weekend warriors alike.

Key Features and Benefits

• Premium Titanium Construction: Ultra-lightweight materials reduce unsprung weight for better handling.
• Carbon Fiber End Cap: Adds a sleek, factory-race aesthetic while maintaining durability.
• Resonance Chamber Technology: Advanced internal design for optimal flow and sound management.
• Precision Fitment: Tailored specifically for 2020-2023 KTM XCF-W models for a hassle-free installation.
• Anodized Finish: Provides superior heat resistance and a professional look that lasts.

Whether you are hitting the trails or lining up at the starting gate, the FMF Factory 4.1 RCT delivers the deep, aggressive exhaust note and throttle response you demand. Its durable construction ensures it can withstand the rigors of off-road riding, from rocky single-track to high-speed desert racing. This slip-on is the ultimate choice for riders looking to shed weight and gain horsepower without compromise. Elevate your ride today with high-performance components from GGCRACING.