Car Audio enthusiasts use aero ports for an easy way to install and adjust the length of the port for tuning a subwoofer enclosure. They can be used inside or outside of the enclosure, depending on what best fits your application. The Ports Flared 8" port its has an interior diameter of 8" with a starting length of 20 inches. From here you can adjust the length of the port down by cutting the middle of the port to your desired length.
Specifications:
Inner Diameter: 8″ (Used to calculate the desired tuning of your enclosure) Outer Diameter (Flare): 11-1/2″ Cut-out Diameter: 10-1/2″ Length: 20″ (Total length Flare to Flare)
