I have the factory subwoofer box for 99-02 P-38 Range Rover for sale. It is located on the left rear side of the cargo area on vehicles with Harmon Kardon sound systems. I recently installed two new subs in the box as the stock ones had no foam surround left on them. They sound great, no more distortion and they are moving much more air! The box comes complete with the subs and HK amp ready to plug in. Price is $80 plus shipping.