meade916

k so i have a 99 civic si and i have two 10 inch re audio sxx10D4 subs and i want them to be facing the back seat i will be sealing it off so no air can get into the trunk and it will be sealed with the cabin. with a port going threw the rear deck. the port would be coming up from the middle of the box into the rear deck. i kinda know how to build it but i just dont know what dimensions to do and how to get the right tuning frequency. plz help i want it at around 32-35hz