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

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.
Auto care news and advice you can use.
Demagnetizers demystified.
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.
If you have tools that use 9 volt batteries, it’s cheap and easy to convert them to rechargeable batteries. Watch to learn how it’s done!
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.
Why you should use standard operating procedures for customer communications.
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.
Examining the differences (and similarities) between these key roles in the automotive service industry.
Skillful interrogation is a wonderful way to make your professional life easier. Here are a few suggestions on where to start.
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.
Don’t break fittings—break ‘em free.