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Message: <blockquote data-quote="snfsh79077" data-source="post: 4356663" data-attributes="member: 549677">Ok I now have a HC15 in my posession. I have been thinking about doing a blow through with it in my truck. Problem is I do not want to cut out the support beam so the largest the hole will be on the cab is 13" high by 42" wide(give or take a hair for fit) the box is going to be 42" wide and 16" high. I have designed a box with step down front.I need input from those who have done blow throughs with 15s.I also need input on this design. Will the front section act like another box? How will output be affect?<img src="http://i245.photobucket.com/albums/gg46/gboxx1/hc15withfront.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

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