rumple4skin
10+ year member
CarAudio.com Elite
I usually try to bolt it down using the bolt that bolts the spare tire down. If it was not long enough, get a threaded rod from Home Depot, drill a hole into the box, insert threaded rod into hole, and tighten a nut down from the inside of the box (and pray for no flat tires).
love all your post's man, prob the most helpful guy on this forum.
this will also keep 9 out of 10 dumb **** criminals busy while you stop ****ing his sister to save your car when the alarm goes off and you find some dumb **** pulling on your box=)