when i first got it i built a 5 cube ported box that took up my entire back seat but my ex wife moved back to ohio and i needed the space for my kids //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif now its in a 2.5 cube sealed box in my trunk. doesnt sound as good and definately not as laud.