Here's a link detailing the installation of an Oil Catch Can on a 2nd Generation CX-9. This should also be applicable to the 2nd Generation CX-5 (GT Reserve and Signature trims only).
www.mazdas247.com
2nd Generation CX-9: Aftermarket oil catch can installation
This is a DIY How-To for an aftermarket oil catch can installation on the 2nd Generation Mazda CX-9. I decided to document this process because, while a few others have successfully installed their own catch cans and provided some detail, I wanted to improve on their experience and also include...