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<blockquote data-quote="shredder1" data-source="post: 8575238" data-attributes="member: 658920"><p>Someone can check my math but unless I did it wrong it looks like your 8" port to the rear wall with 2" clearance to meet your port area and then use an 11.5" ID going the other way to get your overall length... I hope I got it right. I've been in a trance studying that link and It makes sense finally... the #'s do add up... this is something I will try myself eventually... it will be my last option for sure... IDK where to find really large pvc or aeroport anyways... LOL!.. of course you'll need to account for the wall thickness of the inner port unless it's really thin... LOL!</p></blockquote><p></p>
[QUOTE="shredder1, post: 8575238, member: 658920"] Someone can check my math but unless I did it wrong it looks like your 8" port to the rear wall with 2" clearance to meet your port area and then use an 11.5" ID going the other way to get your overall length... I hope I got it right. I've been in a trance studying that link and It makes sense finally... the #'s do add up... this is something I will try myself eventually... it will be my last option for sure... IDK where to find really large pvc or aeroport anyways... LOL!.. of course you'll need to account for the wall thickness of the inner port unless it's really thin... LOL! [/QUOTE]
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