YAMAHA OEM GYTR Titanium RCT Factory 4.1 Muffler WR450F YZ450F YZ450FX 1SL-E47A0-V0-00
The patented FMF Resonance Chamber Technology enhances and refines exhaust pressure.
Its core shape lowers sound level while maintaining maximum power output.
Factory Forward Engineering centralizes mass and is less prone to impact damage.
Maintenance is easy - remove four screws on the front end cap, and the innovative rear end cap simplifies the installation of the spark arrestor (sold separately) or tuning tip inserts.
Includes QuietCore 94 dBA insert.
Meets AMA and FIM sound requirements.
It is compatible with stock or FMF header
made in the U.S.A.
Applications
WR450F (2016-2018)
YZ450F (2014-2017, 2019)
YZ450FX (2016-2018)