While something like this is by no means the fastest RC car in the world (despite the claim of the video's editor, that record belongs to Nic Case at over 160 MPH), it's probably capable of 60 ...

[Michael Rectin] is in on the action, and he’s been exploring how to 3D print a decent set of tires to help his RC car reach higher speeds mph. His first efforts involved experiments with TPU.