The Best FIRST MODS for a MAZDASPEED 3 / 6

What are the best first mods for your Mazdaspeed 3 or Mazda 3 MPS. What mods should you do to your Mazda 3 MPS or add to your Mazda speed 3 build.
Today I share my experience doing basic mods to my Mazda MPS 3, to explain what you should do to your Build.
Most mods are applicable to a Mazdaspeed 6 build or Mazda 6 MPS as well.