Hello Steenv, I have the metal tracks. I am not sure who made them. THe road wheels appear to be stock. I do not know uch about upgrades but it seems to be fine as it is. May do the added sound . creeping death? I will talk to Phil at tankwars about that.I am still learning about the tank.Pretty heavy girl too. Not new but has the dual motors and a fan cooled interior. It works great outside. Grass is no problem so far. Hope you have fun with yours outside. I am going to avoid deep rivers thaough.
BE well,
David