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

When two transfer cases love each other very much…
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.
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Auto care news and advice you can use.
Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
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.
Formal education teaches you theory and the real world teaches you the rest.
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.
If you’re an experienced technician, you may feel as though you’ve seen everything, but don’t let your knowledge prevent you from learning more.
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?