Factory 4.1 RCT Slip-On Muffler

Factory 4.1 RCT Slip-On Muffler

FACTORY 4.1 RCT SLIP-ON MUFFLERS

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

Compatible with stock header or FMF header

QuietCore 94 dB insert included

Spark arrestor included in muffler

Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps

Meet AMA and FIM sound requirements

NOTE: Will not pass 2025 FIM sound regulation