i wouldnt do it. for a little more you could find 2 w3's on ebay if you really want to upgrade. the mtx's will be louder than the w0's but you'll sacrifice some serious sound quality. I heard 2 12" 8000 in a ext cab truck and it was pretty loud. not very clean sounding at all tho. stick with jl
just my "too sense"

blue 95 se MTX alpine 9805 2 diamond 12" cm3's tuned to 38 hz 4 pioneer 3-ways(POS) jbl bp1200.1 pimpin hoes, like the river flows..... constantly!