anybody wanna share box plans for a 88-98 ext cab chevy?

[stanky1219]

i see lots of pre-fab boxes for 2 subs. i wanna build the same thing but instead of .9 per sub i want to go 1.8 for one sub and port it.

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[*SlappinAzz*]

What size subs

 

[stanky1219]

one 12" jl w1 , i wanna go under the rear seat.