What is everyone’s opinion of wide body flares?

I have a 1971 Demon that has minor metal/paint crack with bad bondo job on rear fenders. Its going to cost me several thousands of dollars, have not committed to the idea yet but did a quick painters tape hold of what it would look like what are everyone’s thoughts. Might do all 4 with flares might not and might just drive it with messed up rear fenders until i save for few years down the line

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Weneed to keep the heritage. My vote is to drive it and restore it. Those "flares" will not add to the value. That said, it is your car and your dime, so what suits your fancy is what to do.
My particular prefference if flares for wide wheels and tires is in the TransAm race car style. The 1/4 panels and front fenders were beaten out with a hammer on the inside with a shot bag on the outside. This stretched and pushed the metal out. Then you need a mini English Wheel that you can work over the flare to level out the surface. Pick and file also works. Then when the left and right profiles match, the inner fenders need to be reconstructed to fill the fender profile.
Time consuming and expensive if you need a body shop to do the work. This would be when knowing a car club member that is a metal man is invaluable.