You are free to do whatever, but companies are also free to choose who they conduct business with.
In the case of Ferrari, their products are essentially also rolling advertisements, so modifying them goes against what they are trying to sell.
In the case of Ferrari, their products are essentially also rolling advertisements, so modifying them goes against what they are trying to sell.
Of course you can have a friend to buy it for you, but again, it's Ferraris choice who they want to conduct business with as long as they follow the laws to the letter. Their car is their brand and they want to protect it.