anyone know the flush mount cutout for btl 15"

[blackbonnie 5,000+ posts]

just need to know what the cutout is to flush mount a 15" btl. thanks

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[vipervin 10+ year member]

not certain if the btl follows the same pattern, but all the other drivers share the same cutout specs

Sub OD: 15.625”

Cut ID: 14.125”

 

[blackbonnie 5,000+ posts]

im pretty sure they are the same. thanks man