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I'm definitely going to do this. I've also heard of folks adding a few extra registers to the ducts. Again increased airflow. (Also done with cold-air returns.) Anyone have any positive effect by adding additional registers?
I have purchased 4 more cold-air return ports, but I'm twitchy about cutting holes in the ceiling. Is this just a simple pilot hole, then jigsaw, then aluminum tape process?
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2018 3950BR - MORryde X-Factor, Disc Brakes, 3rd AC, Stacked W/D, Winegard Trav'ler (DTV), 2000w inverter, EMS-HW50C
2022 Ford F-450 Limited Diesel Dually - B&W 25k Hitch
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