This is ArmorAll Tire Foam



And Larry isn't off his rocker on this...their instructions state: "Avoid putting product on treads, brakes or floors.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car