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.
Auto care news and advice you can use.
Learn how stop drilling can help to prevent cracks from propagating with a little know-how and a drill.
Copycat Loctite is more common than you’d think. Learn how to check for counterfeit products.
The “best” parts for the job are highly dependent on the environment in which they operate.
Think you know your dash lights? Shop Press contributors Keith, Miriam, Chris, and Greaser try their best to identify all kinds of lights, symbols, and indicators.
Their emergency shouldn’t be yours unless they pay a premium to fix it.
Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.
Auto care news and advice you can use.
The struggle is real for many of your customers.
The cabin air filter is arguably the most overlooked filter on the car.
The appearance of off-road prowess while maintaining on-road comfort is what motorists want. Tire salesmen, take advantage.
A recent J.D. Power study found that a few simple amenities in your service center’s lobby go a long way toward making your customers want to come back, but few businesses have them.
Exhaust work is straightforward and (I think) easy to understand. Here are some pointers for service techs to avoid comebacks when hanging pipe.
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.