im not a shop owner or a pro at installation i just enjoy deep low bass and buying selling and trading cars and car audio equipment let me know if you wanna do some trading
i have one 12" fi ssd d2 and 2 dc lvl 2 12s d2 i would gladly give you all three for the 15 if you wanted to meet up someplace between you and newport oregon i been wanting an upgrade for fi i would even consider my 2 dc subs for one of your qs