I've just pulled the mufflers out of the collectors to see how they look. Of course I have no idea how they should look. They seem pretty burned at one end (the engine end) and fine at the other. I've never seen the inside of a used regular glass pack muffler so is this what one would expect? My thought was to replace the burned out glass with steel wool for longevity and a little more quiet. They have about 12K miles on them. Is this just a waste of time or a good idea???
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