Mounting custom enclosure

[JBLURRX]

I have a custom enclosure in my 08 accord and just to be safe I am going to mount it using some brackets. My question is can I safely drill for some screws in the corners as seen the picture?

Thank you

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[pickup1 5,000+ posts]

need to check behind the carpet to make sure your hitting metal,not plastic.

 

[Trey803 5,000+ posts]

my brother, about 7 years ago, drilled into my firewall. hit the power break pump.

cost about 700 to fix.

you should be okay back there; won't hurt to check

 

[JBLURRX]

thank you for the responses very helpful, I installed the brackets to prevent the box from sliding but it takes away from the clean appearance. I have a weather tech trunk liner which should prevent some sliding. What are some alternative methods to securing my enclosure to the trunk? Is it even needed at all?