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Store Parts Inserts

Quiet Core
  • Quiet Core
  • Quiet Core

Quiet Core

Installation instructions

The HMF Quiet Core is an insert made of 201 Stainless Steel and installs on most HMF exhausts in seconds. It's designed for sound sensitive riding areas and decreases the sound level approximately 3-6dB. 

Quiet Core Fits:

Quiet Core Does Not Fit:

Notes: 

  • DO NOT USE WITH STREET BIKE EXHAUSTS.  HIGHER RPMs CAN LEAD TO EXHAUST ISSUES. 
  • It is highly recommended to use a Spark Arrestor with the Quiet Core Insert.  This will reduce or eliminate any unwanted vibration of the Quiet Core.
  • Retuning may be necessary when a Quiet Core is installed. Failure to do so can lead to several problems and can damage the exhaust and void the warranty.
  • You cannot use the Torque Range Modifier with a Quiet Core at the same time, only one can occupy the Exhaust space

 

$34.95
#6946006

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