EarthquakeSound MB-1 Mega Bass Enhancer. The MB1 wires up to any system easily, and can be mounted in the front or rear of the vehicle.
SB Acoustics ARA Beryllium dome Textreme Light Edition - FineTuning by...
SB Acoustic SATORI MW13TX-8 5 inch midwoofer / TeXtreme
SB Acoustics Grill for Satori 9½″ WO24 woofers, 1pair