The sportline kit you have posted from Veedubz is the correct kit to buy, but please ensure they confirm this for your year and model.
It fixes over your original bumper. You do not need to remove your bumper to replace it for the look you're trying to achieve, you simply fix the sportline bumper over the top of yours.
I have a 2015 T5.1, my bumper started life the same as yours. The sportline kit you buy, then remove the fog light surrounds and the sportline bumper fixes over the top.