main image GYTR  Factory 4.1 Muffler
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GYTR Factory 4.1 Muffler

SKU #2S2-E47A0-T0-00
Incorporates FMF Resonance Chamber Technology® patented chamber design enhances and refines exhaust pressure. Its core shape lowers sound level while maintaining maximum power output and the canister shape increases internal volume for more sound-absorbing material.
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A collaboration with FMF.

Factory Forward Engineering centralizes mass and is less prone to impact damage. Maintenance is made easy with the removal of four screws on the front end cap, and the innovative rear end cap simplifies installation of the spark arrestor (sold separately) or tuning tip inserts. Includes QuietCore™ 94 dBA insert.

Meets AMA® and FIM sound requirements. Compatible with stock or FMF® header. Built in the U.S.A.


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • YZ250F (2010-2013)

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