Has anyone been able to find a set of arched a-arms for the 950 ho ex model? I haven't been able to find anything from major companies. Only for the 950 sport model

Trying to install mtx sound bar. No idea where my accessory block is can someone help? Directions say to tie into the ignition switch. I don't know which wire and can't seem to find anything in the forum. 2022 z force 950 ho ex model.