I know this sounds ridiculous-ish but you know how people but spoilers on their trunk to make the wind push them down for more traction, if that works, couldnt you put one on backwards and have the air pull your car up, falsely removing weight, kinda like people in those air tunnels, the are is pushing you up so fast you float up (like being 200 pounds less)
Look at my ridiculous picture if you want an idea of what im thinking like:
