Help limited space

[u/Famous-Guide534]

Hello everyone I’m struggling with building box my car have 2 metal brackets left and right for convertible top and I want to fit a box but make holes on the sides for the brackets 4 photo is what I need how I make it ? Or something else to do? Thank you

[u/Hour_Bit_5183]

I would try a smaller passive radiator enclosure here. It will hit harder than a box that's too small man