ok, i have a kicker cvr 12, 2.25 cu. ft.reccommened, includes woofer displacement.+port that will be 3x12.5x20.5(wxhxl)this is what the manual reccommends.
I plan to make it 13x12.5x24(wxhxl) can you please tell me if this looks correct. it's my first time building and i want to see if i did this math properly.