Search results

You need it to be 18" long from end to end.

Take your current port length, and add one inch to that length. Then make that the total end-to-end length of the flared port kit. For your example. To tune a 142 liter box to 18Hz, you'll need a 17" long 4" wide port. If your current PVC port is 17", then you should shoot for an end-to-end...