glasspack

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

glass +‎ pack

Noun[edit]

glasspack (plural glasspacks)

  1. (automotive) A kind of automobile muffler in which the exhaust gas passes straight through the center of the muffler. It consists of a smaller tube centered inside a larger tube that is enlarged or swollen in the middle, the gap between tubes being filled with fiberglass.
    • 1991, Stephen King, Needful Things:
      That's an illegal muffler, Alan thought. A glasspack. I could cite him for that.
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