Which of the following is the most critical result of a rust hole in an exhaust system?

A Master Technician and nationally known trainer joins the Shop Press family. Say hello to Pete Meier!
Female metric square drive plugs were new to me. They might be to you, too.
Each line item confirms it—cheating doesn’t pay.
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Auto care news and advice you can use.
You can’t sell what you don’t understand.
Exhaust work is straightforward and (I think) easy to understand. Here are some pointers for service techs to avoid comebacks when hanging pipe.
Lubricant? More like lubri-can. A very cheap staple of most shops, I’ve learned to use it in a few unconventional ways.
Failing to perform these two vital service steps could cost time and money—or worse.
Any of these mistakes can lead to an unwanted oil leak or worse—a blown engine.
Are you a wrench and a writer? A counterperson and a communicator? A service writer and a scribe? Get paid to share your experience and expertise with thousands of Shop Press readers.
Auto care news and advice you can use.
Want to make your vehicle last? Not sure how to talk to a shop about car repairs? Nick and Lemmy offer their five top recommendations.
It’s your job to tell customers about warning signs and bad repairs.
From the factory with the spare’s valve stem pointing up, but you can flip it over and reinstall for easy checks and refills.
A textbook yields a few pearls of wisdom for those in the automotive biz.
Four reasons to buy a ½” breaker bar adapter.
Especially for your mechanically-inclined clientele, sometimes a fingerful of clean grease is a lifesaver.
A fellow YouTuber recommended it. Why not give it a try?
Two solutions for yellowed, hazy headlights.