Check out the crutchfield outfit my car page. They have a rather detailed guide for the 370z.
https://www.crutchfield.com/Car/outfitmycar/mycar.aspx
They list a detailed master sheet for the tools needed for modifications. The also have adapters and recommended speakers.
https://images.crutchfieldonline.com...0000390076.jpg
Sonicelectronix.com has a good guide as well -
https://www.sonicelectronix.com/afg/nissan/370z/2014