Every MTX thunderform from the long line of boxes will
guarantee great sound, and a perfect fit. These boxes are
specifically designed to fit in the wasted space of your vehicle.
With an mtx thunderforms you have lots of bass to gain, and
nothing to lose. Every thunderform includes free T4500 series
mtx subwoofer(s) tha willt match perfectly with the airspace
and mounting depth in these custom boxes.