would 2 rockford p2 15s be better and louder than my 2 12 comp vr,s.theyre on sale now at crutchfield for a good deal 99 each,free shipping.everybody cracks my kickers,so I was wonderin about the punch subs.i had the p1 8s awhile back and they hit down to 20hz.Im prollly gonna order the p2 15s tomorrow because I think theyll get louder and lower than my cvr s and the take the same size enclosure.any help is much appreciated.