The Nexus 6 is Google's latest flagship phone manufactured by Motorola that comes with pure Android 5.0/5.1 Lollipop along with some lovely wallpapers
In this post you can find download links to its stock wallpapers and ringtones. All the wallpapers are untouched and are in their original resolution so you should see very good results on your phone.
DownloadsNexus 6 Wallpapers - Click here.
Nexus 6 Sounds - Click here.