Question about HPI E-Firestorm 10T 2.4GHz

It is also possible to install a different motor. Mine, for example, has a Trackstar 4000KV brushless motor ;-)

We assume that you mean an upgrade of the performance. You can do this by replacing the supplied 8.4V (7S) NiMH battery with a 7.4V (2S) LiPo battery.