Effect of out side fittment on car||Hyundai verna effect of outside side fittment.

On this video I share a problem which happens due to extra fittment of sound system.
On video I share each and everything of diagnosis.
And solve the problem on best way.
Plz watch till end.
If have any enquiry the asked me on comments box

Effect of extra fittment on car? How a local fittment can btake down your verna?,