[Kevan]

So 1:24 technology trickling down to 1:32?

Richard Mack in the UK has been producing similar chassis, purpose designed for hard body cars for the last 4 or 5 years. 
His Nascar version is particularly popular at our local club.
You can find him on Facebook.


Joel

Longer than that, I started racing slot cars in 2015 and club members had been using Mack chassis for 1/32 hard bodies quite a while even then.