Yoshimura

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Sound Insert for R-34 Mufflers. This new insert is designed to take the dB level down and fit perfectly with R-34 applications.

Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Please...

Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Please...

Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Please...

Replacement Low-Volume Insert Kit for RS-4 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on application Please...