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<blockquote data-quote="PowerNaudio" data-source="post: 2190447" data-attributes="member: 561215">you need to make the port opening &quot; port area&quot; bigger. to allow for the greater amount of air that the subs will be moving without restriction, and to keep the same tuning, youll need to make the port longer. now you can tune the enclosure higher wich will give you a shorter port. and you may be able to get away with a smaller port area. or you can change the enclosure volume it self. to a smaller one but then again youll need a longer port to keep a lower tuning.so i would sugest first finding the max avalible space you have for the enclosure. then see how much volume the subs needs to play at the give frequency and see if you can then fit the port.and keep going to you find a good point where both the port area, port length and the needed enclosure volume for what ever freq you chose, fits in the availble space you have in your vehicle.or go sealed.or as a last resort, instead of choking the hell out of the sub, and placing them in an enclosure that is all wrong because you lack the space for a big box.go with a single&nbsp; sub. building the best posible enclosure for that one sub will give you way better sound then stuffing two of them in the wrong ported enclosure.</blockquote>

[QUOTE="PowerNaudio, post: 2190447, member: 561215"] you need to make the port opening " port area" bigger. to allow for the greater amount of air that the subs will be moving without restriction, and to keep the same tuning, youll need to make the port longer. now you can tune the enclosure higher wich will give you a shorter port. and you may be able to get away with a smaller port area. or you can change the enclosure volume it self. to a smaller one but then again youll need a longer port to keep a lower tuning. so i would sugest first finding the max avalible space you have for the enclosure. then see how much volume the subs needs to play at the give frequency and see if you can then fit the port. and keep going to you find a good point where both the port area, port length and the needed enclosure volume for what ever freq you chose, fits in the availble space you have in your vehicle. or go sealed. or as a last resort, instead of choking the hell out of the sub, and placing them in an enclosure that is all wrong because you lack the space for a big box. go with a single sub. building the best posible enclosure for that one sub will give you way better sound then stuffing two of them in the wrong ported enclosure. [/QUOTE]

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