I wouldn't know but with a good insurance company everything is possible. Only road block would be our vehicle regulatory institutions but if they can give a go ahead to those funny looking unsafe fabrications we call buses and matatus, they can sure OK your modification.
These days hata taxi inapata insurance cover and they repair your car ikigongwa.
Our insuarance companies are just lazy, I see them banning certain cars because of one reason or another and I find it silly. They just need to do their homework and price the premiums right for the particular risk.
You can spend millions in modifications and even with a valid mechanical report from a reputable valuer like AA or REGENT as long as the year of manufacturer is more than 15yrs you're fucked if it's stolen or becomes written off