Bolts through the mount through the floor board, Find a empty threaded hold to sue on the metal in the trunk. Self taping screws through the box through the metal. Cross brace between the sides of the trunk. Wide board underneath the box to help give it area from flying around.
Or if you do not want it looking tacky, buy a zenclosure.
Last edited by bigaudiofanat; 04-17-2012 at 02:34 PM.
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