It Safe to Drive With Silver Hair From the Exhaust?
A small amount of escaping packing usually isn’t an immediate driving hazard. But it does tell you the muffler is breaking down, and that’s the part worth taking seriously rather than shrugging off.
The real risk is what the loose material does downstream. If it bunches up and clogs the exhaust, it chokes the flow. A choked exhaust can cut your power and leave you crawling, which is exactly the slow-motion failure that strands people on the side of the