humble customs Posted November 28, 2023 Report Share Posted November 28, 2023 I have 2 audiopipe bdc4 12s, recommended airspace is 2.5-3.0 cubic ft if air per sub, I want to do a blowthrough box max size of the box is 60 inches wide, 20 inches deep, 24 inches tall. Going in the bed of a 08 sierra ext cab. I heard that a 4th order would be best for getting windy but im not super knowledable about the box building side of it. Quote Link to comment Share on other sites More sharing options...
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