A clean engine air filter provides proper airflow for efficient fuel combustion, improves fuel economy, and traps harmful ...

What is a cabin air filter? Auto mechanics often ask car owners if they'd like a cabin air filter replacement during oil changes. Typically, they'll even remove the filter and show it to the driver.

“And the cabin air filter is $39. So pretty much $40 for a cabin air filter. Instead of $90 and this is how you change it yourself,” he says. Next, his video quickly jumps to him cracking open ...

You could save a lot of money by changing your own air filter for your car's cabin. It's so easy even your kid can do it! Watch a 13 year get the job done.