im still in the process of finding a box for my Rockford Hx2 power 12, and i want to put it in a ported box...but im broke as hell n can't pay what people want to build a box...so i saw this one on ebay for liek $60 that had a 2.28 cubic volume or whatever...adn the recommended for my sub is 2.5....do u guys think this one on ebay would be alright or if i shoudl honestly pay teh extra $100 for .22 more cubic feet or wahtever...thanks