outsideshot23
10+ year member
CarAudio.com Veteran
Alright guys.. i know there are some box building magicians out there.. i have 3 RE MT 18's in an ext cab 08 sierra.. Need a box to fit 60"W x 23" T x 28" deep (front to back) .. going to be pushing about 12k rms.. want to tune a little higher for numbers .. maybe 50ish..