Aluminum Steel Factory Exhaust Final Slip-On Muffler 4.1

The RCT (Resonance Chamber Technology) features a patented core shape that reduces decibels while maintaining maximum power output.

The internal channels within the chambers of the RCT system increase internal volume, improving exhaust flow and providing power gains across the entire operating range.

FMF Racing's Factory Forward Engineering concentrates mass in the center, making it less prone to damage from falls.

The innovative rear cap allows easy installation of tuning tip inserts or spark arrestors by removing four screws.

• Compatible with the stock header or FMF Racing header.
• Includes: QuietCore 94 dB insert and spark arrestor.
• Meets AMA and FIM noise requirements.

Note: Does not meet FIM 2025 noise regulations.

Suitable for: KTM EXC-F 350 12-16