The inventor describes the use of a flow-resisting washer to be added at the discharge end of a motorcycle tailpipe to cause the pipe to act as an expansion-chamber muffler. An adjustment allows the device to be rotated to such a position that it minimizes back pressure when desired.--GJS

  • Supplemental Notes:
    • Patent filed 5 November 1964
  • Corporate Authors:

    Department of Commerce

    1401 Constitution Avenue, NW
    Washington, DC  United States  20230
  • Authors:
    • Lader, A N
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00261096
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Oct 22 1974 12:00AM