to begin i did a search and didn't come up with an answer this is my mod list

cattman catback
custom intake

in the process
nwp spacer
nwp block off plate

now the question if i do obx headers do i need to get the car tune and do i need to invest in some kind of vafc,safc, or emanage

this is my car but its an auto

 

You don't, but it is highly advisable.

BTW, love the car minus the wheels.

 

Love the car it's beautiful the rims are sexy as hell, I would get an apexi super afc 2 there easy to work with.
you could find a used one cheap you don't have to get one but it's advisable.