It's only scraped a couple of times since I installed it. At the bottom of my driveway, twice, when I was going down it fast, and when I pulled out of a parking lot fast across a gutter. I thought it would scrape on everything, but it hasn't. Mostly I'm wondering if too low will hurt aero, but I haven't been able to get a good run down the roads I frequent to be able to judge it's effect. It was super windy yesterday and rainy today, both would skew a informal test. It does seem to have better front down force and less body lift at speed, though.
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