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GYTR/FMF FACTORY 4.1 MUFFLER

  • Part Number

    33D-E47A0-S0
  • Description

    GYTR/FMF FACTORY 4.1 MUFFLER
  • Price

    946.25
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Description

This all-new Factory Muffler incorporates the latest Resonance Chamber Technology. The patented chamber design enhances and refines exhaust pressure. Its patented core shape lowers sound level while maintaining maximum power output, and the patented canister shape increases internal volume for more sound-absorbing material. 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.


Note: For closed course competition use only.

Fits:

  • 2010 – 2013 YZ450F