Sick of trunk rattle?
Issue with that is loss of volume. 
I've seen people do this through parking lots and such, as if their GM-derived car with a subwoofer is something special.
... I just noticed it's raining/wet in that picture. People, people people...

I've seen people do this through parking lots and such, as if their GM-derived car with a subwoofer is something special.
... I just noticed it's raining/wet in that picture. People, people people...




