the usual fix. Knowing when a job has crossed from DIY into shop territory is its own skill, something I’ve written about with DIY roof repairs and when to call a pro. Exhaust work sits in that same gray zone for most people.
One practical handling note: don’t yank the fibers out with bare hands. Fiberglass is an irritant, so wear gloves if you’re pulling loose strands off the tailpipe.
The Short Version on Muffler Hair
The silver hair isn’t anything crawling or growing. It’s your muffler shedding its sound
