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Trunk car ported boxes.
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<blockquote data-quote="SpeedEuphoria" data-source="post: 6959571" data-attributes="member: 623992"><p>the formula for aeros is r^2 x pi, so for a 3" aero it would be 1.5^2 x pi~ 7"^2 port area per 3" aero</p><p></p><p>most on here say 6-10" area per cube, meaning 6-8 for aero's and 8-10" for PVC</p><p></p><p>Just remember just like slot ports the bigger you go the longer they need to be to be tuned the same. And 2x 3" is not equal to 1x 6" a 6" is roughly = to 4x 3"</p><p></p><p>I was looking at 2x 4" at the very minimum for 4cubes, with PVC 2x5" would be better but longer</p></blockquote><p></p>
[QUOTE="SpeedEuphoria, post: 6959571, member: 623992"] the formula for aeros is r^2 x pi, so for a 3" aero it would be 1.5^2 x pi~ 7"^2 port area per 3" aero most on here say 6-10" area per cube, meaning 6-8 for aero's and 8-10" for PVC Just remember just like slot ports the bigger you go the longer they need to be to be tuned the same. And 2x 3" is not equal to 1x 6" a 6" is roughly = to 4x 3" I was looking at 2x 4" at the very minimum for 4cubes, with PVC 2x5" would be better but longer [/QUOTE]
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