missing first picture
The second picture shows the original exaust system from my HUP and the nearest my local muffler shop could come to it. The muffler is a tractor muffler from Princess Auto (cat # 2440059). It is the right length and configuration but the cylinder is only four inches in diameter.
The catalog from "chevs of the forties" shows a sketch of the right muffler but on delivery it is a short oval crossection with offset pipes.
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