how to make a 2wd car kit
There could be a way, that involves finding an identical model with a 2WD selector on the drive.
You would have to pull out the gear box, and put it into your car, then route the selector into the cab.
All of this would be expensive, difficult, and end up looking ridiculous.
Honestly, the best way to convert your 4 wheel to 2 wheel, is to sell your car and buy the 2 wheel drive version of it.
This isn’t a worth while endeavor.