Under seat subs









OEM Sub vs Gladen 8









Shallow subs!





OEM enclosure





I was going to sound deaden these sub they really are solid and have no resonance or flex...especially considering they are bolted directly onto the floor!



Sub in





Passenger side had plent of change attached to it lol









Gladen BMW wiring harness





This allows you to add an external amplifer without the need to modify cabling or cut anything!