Even though they are testing a split-block design, you'll only need to buy another lower plate and some blocks if you want it. Everything else will bolt on. Despite the car being out a little while and there being a couple versions of it, everything is still interchangeable.
The car has a lot of steering, and is pretty durable! It may be a little unstable in some conditions but I am always told how smooth the car looks on the track. It's also extremely sensitive to setup change