psilocybin

i'm in the same boat right now, 2005 silverado, around 19" of height in the bed, about 50" wide(inbetween wheel humps) i'm going with 2 18" Q's, sealed box my biggest problem, or question, is: should the subs be angled towards the bed? or towards the tonneau? i saw one build that had the subs pointed towards the bed, but the box was ported cheers btw, i'm new here, cheers