FMF FACTORY 4.1 RCT Slip-on titanium Blu Yamaha YZ250F 2014-2018

FMF FACTORY 4.1 RCT SLIP-ON MUFFLER RCT (Resonance Chamber Technology)

RCT feature lowers decibels while maintainig maximum power output. Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, that's why the Factory 4.1 RCT Slip-on Muffler gives more power to your bike in each power range.

FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage.

• Compatible with stock or a FMF header.
• QuietCore 94db insert included
• Spark arrestor included in muffler
• New end cap, easy to remove for a quick maintenance