mustang fitment question?

[c_Sharman5.0]

i know its a little newer, but I'm building a set of 20x10.5 +30ish for my wheels. It'll be going on a 2014 gt

[xmustangx]

I will have a thread for my 07 GT in a few weeks. I went with 18x10 all around with a +25 offset.

[01Blacksheep30]

Looking at getting some varrstone es2 for 05 gt mustang
19x10.5 rear
19x10.5 front
Or 19x9.5 front
Need so help with offset?

Should I go +30 or +22

New to this need help