I have done this with several trucks and It is staggering how much of a difference it makes.
You should at least post a link to the kit For anyone else looking to do this. I have used the stock redcat radio and reciever and also a kit In my experience I recommend the stock redcat stuff no matter your build because its simpler and you have rear steer and crab walk available as well right on the radio.
Oh ok so thats the little piece in this thingy. https://www.amazon.com/dp/B07DPMVVKN/ref=cm_sw_r_cp_apa_glt_fabc_TDWPCG25HSX4V6KTMCR5?_encoding=UTF8&psc=1 thats the remote I was gonna go with
Yes it would help. But 2wd is still harder to control.
Radiolink RC4GS V2 4 Channels RC... https://www.amazon.com/dp/B07DPMVVKN?ref=ppx_pop_mob_ap_share