Helmet needs to be lowered a little but will do that in the next update. And yes when the time comes i will be making a full N7 Armor Suit!!!
Thanks to Pandassaurus for the Scripting this

.NET Is Required Link down bellow
https://github.com/crosire/scripthookvdotnet/releases

Numberpad 7 to Toggle Helmet

Grand Theft Auto V\x64c.rpf\levels\gta5\props\lev_des\v_minigame.rpf\

Replace prop_welding_mask_01 and their you have it!!