Just delete the whole safari folder in the library directory 

Is there a quick way to delete Foldered bookmarks directly from Safari bookmark bar?
I've got a 2010 Kia Soul, and I was wondering if I should get a reusable/washable air filter, such as the K&amp;N 33-2960.

The reasons I would think to get such an air filter would be:


Save on the cost of replacement filters
Less waste for the environment
Better for the engine
A bit more power


How much of a benefit am I likely to see in each of the above categories from using a washable air filter? Are there other benefits?

Thanks!
