I've searched for threads and found nothing of any substance. Anybody heard one of these installed? Im usually anti prefab and its expensive but the pros may outweigh the cons on this one if it sounds good. Probably push it with the 500 x 1 JL amp. Adding to prem audio.
JL Audio Stealthbox® Custom-fit enclosure with 10" W3v3 subwoofer — fits 2007-up BMW X5 at Crutchfield.com