Probably ported, it's much louder, but some subs might lack SQ while being loud, and some subs sound pretty good while loud. IB is more SQ oriented, and won't be as loud, but sound really good.
dB wise, it's all car, power, electrical system and box dependent.
BTW your movie was awesome. Wheres Lt. Dan?
dB wise, it's all car, power, electrical system and box dependent.
BTW your movie was awesome. Wheres Lt. Dan?