Hi Davidaellis,
I don't own both of those Arturia items but had a quick look at it, it looks like this should work. As long as the module you buy is compatible (i.e. Eurorack) with your Rackbrute then you should be fine.
Have fun and kind regards, Garfield Modular.
For review reports of Eurorack modules, please refer to https://garfieldmodular.net/ for PDF formatted downloads