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

Company makes $44 million investment to expand plant.
The habits you form first can be the hardest ones to break.
The Proving Grounds crew takes on another round of The Mystery Box Challenge with new parts and a few new faces.
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Auto care news and advice you can use.
It’s been asked of every new mechanic for more than a century. Does it matter in 2025?
A textbook yields a few pearls of wisdom for those in the automotive biz.
Four reasons to buy a ½” breaker bar adapter.
PTFE tape is essential for threaded connections that need a good seal.
Saving time and labor while giving PPI customers a clear picture.
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Auto care news and advice you can use.
A helpful video investigation of proper (and improper) torque wrench techniques and habits.
How to test for blown fuses in a car or truck | Fast and easy method
A local automotive event is the cure for whatever car doldrums you’re in.
What tools do you trust when installing wheels on a vehicle? The trusty torque wrench, or the straightforward torque sticks? Or maybe both?
Here’s 4 reasons you should consider putting them to work at your shop.
One basic vehicle checkover has several lessons to teach.
As dashboard cameras become more common, repair professionals should know how to deal with them.
Reverse is an innovation that’s easy to take for granted—but it was a revolutionary addition to the automobile.