Is there any I can mod on a halo to the f1 2011 cars and how?

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I have a low-end pc and f1 2011 is the only f1 game I could get before they went off sale. Yes, I know that f1 2014 has an f1 2022 mod but it isn't on sale anymore and the only cracked copy doesn't work. I have a little experience in developing mods and would like to add a halo to the cars in the game. Do you think this is possible? Or is it just a load of baloney? I also am wondering if I could edit the cars handling? If there is anyway I can make the faster but handle worse?