On the road I drive the grooves are made by large trucks and the roads are in awesome shape. The grooves are double tire wide which allows for a bit more freedom. In the wet I ridge ride. I can tell a difference for sure when I ride in the grooves. Its quieter and smoother. It is also an inch or so lower than the ridges.
Would not this effect be like lowering the car the equivalent amount as the chassis is actually closer to the ground?
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2013 Honda Civic Si - 2.4L
OEM front to back belly pan from the factory.
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