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Need help finding the right size aero port. I’m new to using aero ports but would like to utilize one in this build. Will be building: 3.75 cubic ft enclosure single Skar EVL D2 running 1250 watts Any help would be greatly appreciated. Specs for sub: Skar Audio EVL-15 D2 15" Competition Car Subwoofer Dual 2 Ohm RMS Power: 1,250 Watts Peak Power: 2,500 Watts Voice Coil Size: 3" 4 Layer Black Aluminum CCAW Voice Coil Motor Weight: 166 oz Frequency Response: 28-350 Hz High Roll Foam Surround Sensitivity: 86.2 dB Fs: 35 Hz Re: 1.8 Ohms Qms: 4.60 Qes: 0.73 Qts: 0.63 Mms: 386.6 g Cms: 0.053 mm/N Bl: 21.0 n/a Vas: 46.0 L Sd: 779.3 cm^2 Xmax: 23.5mm (one-way) Enclosure recommended specs: Sealed Volume: 3.00 ~ 3.25 ft^3 Ported Volume: 3.50 ~ 3.75 ft^3 Port Area: 45 sq. in. Port Length: 21" Tuning Frequency: 31 Hz Displacement: 0.15 cu ft Mounting Depth: 8.65" Cut-Out Diameter: 13.95" Magnet Diameter: 7.35" Enclosure specifications do not include subwoofer, bracing, and port displacement

(Update 9/6, did some more researching) Hi, I have been doing some research trying to figure out how to design a box for a single 15" sub to fit in my small honda's trunk with an aero port. I think anything over 17" in height would be really hard to fit into the trunk, so I came up with 17h x 33w x 18d. With those dimensions and also 3 4" aero ports 20" long would make the box be tuned to 32 hz with a 9.54 port area per foot and a net volume of 3.95 cubed. From research I've done so far that seems to be ideal. I would build the enclosure a little bigger, but that is pretty much taking up the whole trunk haha. I originally wanted to buy a earthquake dbxi 15d sub woofer but I changed my mind to buying a fi bl 15. Anyway if someone could help me out with those dimensions and if that would work out I would appreciate it greatly. Here is a screenie of what I got so far on the handy calculator.