I wouldn't say it is needed, but probably couldn't hurt. I live just north of OBX, about 1/4 mile from the beach; don't have any special undercoating on my 15 year old truck and it's not rusting out. I am interested to know if adding this undercoating may attract sand more readily than not. My mechanic always knows when I've been driving on the beach cuz he finds sand everywhere in the engine bay.
They have drive-thru auto washes down there and would recommend that with the undercarriage rinse when heading home.
They have drive-thru auto washes down there and would recommend that with the undercarriage rinse when heading home.
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