It was a bummer, but when we had our 1965 Mustang painted the painter neglected to mask off the wheelwells, so Poppy Red paint drifted onto the old undercoating. That’s not uncommon with any paint job ...

We may receive a commission on purchases made from links. You might think that an aftermarket undercoating is redundant and unnecessary since new cars already come with rustproofing and corrosion ...