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pvc port
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  1. General Car Audio Discussion & Questions
    Was told that the pvc port with no flare inside will have port noise and sound like crap. box is for 2 15's with 5 4" pvc ports 17.25" long each 7.6 before sub displacement tuned to 32 Will I have a problem with pvc or should i try to add a flare on the inside of the box?
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