glasspack

Etymology

From glass + pack.

glasspack means 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. Lexicurio rates it Sui generis — a strength score of 91 out of 100.

noun

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.“That's an illegal muffler, Alan thought. A glasspack. I could cite him for that.”