Just thought I would post this up as I did this yesterday. =)
thought it would help fellow members.

http://mazda3revolution.com/forums/2...ir-filter.html

Pic of the dust and dirt from the old Cabin Air Filter:




As for the stock intake air filter, it's really easy to just remove the two side clips and replacing the filter.

Here's a Pic of my dirty filter:



BTW I picked up both parts from Maple Mazda and Raymond was a great help. His co-worker who works on Saturday, (sorry I didn't ask for your name XD), was kind as well!
Thanks!