4.1 RCT Slip On Silencer Beta RX 450 2024 2025

Features: NOTE: Will not pass 2025 FIM sound regulation. RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output. Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power. FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage. Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws. Meets AMA and FIM sound requirements. QuietCore 94 dB insert included. Spark arrestor included in muffler. Made in the USA. Compatible with stock header or FMF header..