Could you give us some more details on your setup?
What do you wanna know?im more then shure it just needs an bigger port....but ill humer you...
I have an 7.4 mdf box glued, screwed, fiberglassed, braced, 45s, rouned sub wholes 2 15" subs firing fowerd, port up 2 6" round ports flared on both ends tuned to 32 hrtz box is sealed and dosnt flex its an coffin...it just has an lil port noise so im going to throw 2 "8 areos in there and call it an day....
and its in an trunk