I Used to personal a industrial plow organization. Have had a range of plow rigs like a fifth gen 4Runner and a few Land Cruisers. I never ever uncovered extra rust due to a plow. But I also didn't push close to all winter with plows on the day-to-day driver. https://thesocialintro.com/story5039796/the-smart-trick-of-reflective-tapes-that-no-one-is-discussing