12″ Platform 3 – PSI Car Audio

Subwoofers in all colors and flavors!

Husky 12/120 Volt Corded Electric Auto and Home Inflator HD12120B - The Home Depot

Subwoofers in all colors and flavors!

18 Platform 3

Shop – Hybrid Audio Technologies

2 Custom Built 12 Subs PSI Platform 2's, DVC @ 2.0 ohms per coil Photo #2167593 - US Audio Mart

Psi platform 3 12. : r/CarAV

PSI Platform 3 Subwoofers w/ Pat's Dual CT Sounds 4000.1 Bass Amps @ Slamfest Car Audio Show 2014

Subwoofers in all colors and flavors!

12 Platform 5

EM-1krms - EM Audio 18 Custom Hand Built Subwoofer (1000 watts) - EM Audio Subwoofers

12″ Platform 5 – PSI Car Audio

12″ Platform 3 – PSI Car Audio

EXO Car Audio UPDATE: 18 PSI Platform 5 Subwoofers For Little Blue & FRANKENSTEIN's BIG ROADTRIP