assume it’s fine. Get the muffler inspected rather than ignoring a problem that only gets louder and more clogged from here.
exhaust pipes
When to Get the Muffler Inspected or Replaced
Once the packing is actively coming out, the muffler is deteriorating, and a shop should look at it. Have them check for internal rust, broken baffles, and any restriction in the exhaust flow. Those three together tell the real story of how far gone it is.
A sealed consumer muffler generally isn’t repacked with new fiberglass, so replacement is
