Im getting ready to build a similar box for upgraded level 4s and was looking at aeroports too. Using the aeroport calculator on psp it says that if i do 2 4 inch aeroports the flared length should be 18.1176. Does that mean each one or total?
Headunit- Alpine CDA-117
Wire- Shok Industries Comp series
Battery- XS Power d3400
Speaker Amp- Digital Designs S4
DC Power 270xp alt
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