FMF Factory 4.1 RCT Slip-On Muffler Aluminum Carbon Cap For Kawasaki KX250 2025 - Slip-On Muffler for 2025 Kawasaki KX250

Slip-On Muffler for 2025 Kawasaki KX250

• Type: Muffler

The FMF Factory 4.1 RCT Slip-On Muffler features the latest FMF Resonance Chamber Technology™ both internally and externally. Designed with Factory Forward Engineering, this slip-on moves the muffler closer to the motor for improved mass centralization and a shorter overall length, reducing crash damage risk. Constructed from aerospace-grade aluminum with a carbon fiber end cap and titanium midpipe, this muffler provides massive power gains across the RPM range and significant weight savings. Includes the RTS (Rapid Tuning System) for quick tuning changes. For closed course competition use only.

• Patented canister and core shape for optimal sound and performance
• Innovative rear endcap for easy tuning tip or spark arrestor installation
• Made in the USA at FMF's Southern California facility
• Fits 2025 Kawasaki KX250