hi i am 15 years old and from germany so sorry for writingmistakes

i am driving a funfactor mt with a LRP z.18s Pro Pullstart engine 3.0ccm, 1.5PS and 33,000 rpm and im building a magnum out of my ff at the moment and also a carbon-rollcage and other carbonparts. i´ve also modified the brake in a 2 metal-diskbrake what could i do next with my ff (magnum)
i also have got 4wd installed