2007 mazda6 radio question
 

ok so i was on crutchfield.com looking at car audio and i came across this
http://i41.photobucket.com/albums/e.../untitled-3.jpg

does this mean i can not install a new radio AT ALL or can i if i buy this? http://www.installer.com/item/displ....php?it=99-7507

if you need any more info, please ask

Thanks!