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About Yoshimura FIM-Legal Low-Volume Insert for RS-4

Yoshimura FIM-Legal Low-Volume Insert for RS-4

  • Spark arrestor inserts are U. S. F. S. -legal and include noise-reduction insert
  • Low-volume inserts are for non-spark-arrestor equipped bikes; reduce noise levels for AMA or FIM competition sound requirements
  • Fits Yoshimura exhaust system or slip-on noted in description
  • Sold each.

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