They are fairly durable, and you need the aluminum chassis to make it work on high grip carpet. I have only been running mine for 1.5 months. I just wanted to try something different from my VBCs.
It is fast and carries corner speed more then my D07 ever did. It will break if you hit stuff hard enough but no more then my D07 did. (I broke a couple of rear hub carriers and a front wishbone moulding but they were fairly hard hits from other cars).
So far I like it.
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