truck sub box, how to secure box?

[$$$1smiley5$$$ 10+ year member]

hey guys thanks for all you help allready. I got my system hooked up and installed but now it seems the box is movin around a bit and vibrating off the back of the cab, could I screw into the box from the outside with rubber washer screws ? I have looked at dynamat and it is EXPENSIVE is there anythoing else i could use? I am not lookin to enter any competitions so....

any help would be much appreciated

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[Serpent710 10+ year member]

use L brackets. be safe you dont want the box flying around the cab if you were to ever roll the truck

 

[zierbox 10+ year member]

I did see what type truck you had

If it’s a regular cab just take a sub out and screw the box to the back wall

 

[$$$1smiley5$$$ 10+ year member]

o.k I thinbk I will take the sub out and screw it to the back of the cab but should i put something between the box and the cab? like dynamat or something or wil screwing it stop any unwanted vibration? is there anything else CHEAPER than dynamat I can use do dead the sound outside the cab?

 

[azimuth 5,000+ posts]

i would dynamat anything you can, especially if you have a small truck system. dynamat the back wall, side walls, floor and doors. you can do the head board also. dynamating 1/2 my truck made a difference, and it's louder to the ear. i still have to do doors and head board.

 

[SicAudio 5,000+ posts]

you can also use rubberized undercoting spray or truck bed liner as well.

 

[$$$1smiley5$$$ 10+ year member]

thanx alot, I will let you know how it turns out