So, I just got this mod after a whole day collecting the necessary data, specifically because I wanted to enhance my suit's carried consumables the way the mod describes.
It doesn't. While it doubles capacity of Assets, Goods, and Data, Consumables stay exactly the same. So if you're grinding out this thing specifically to carry more grenades/breaches/health kits/energy cells like me…don't. Or, don't until Frontier confirms that this is not the intended behavior.
There is an issue tracker post about it below someone else has made. I encourage people to post there to bring this to FDev's attention so maybe it can be addressed. Anyone else that's encountered this can also contribute like I have: