[chevy72blu]

what kind of subs are they(RMS power handling)? and how much power are you puttin to em(RMS/ohmage/wire guage)? You should be puttin out WAYYY more than 150's with 2 15's in an extended cab truck. How much box volume do you have, and what type of box? Also, because I have a singlecab, the sub location being so close to my door speakers alows for a much higher output in a confined space, my speaks are a lot nicer than my subs, and accont for a lot of my output. Also, Kicker's are known for underrating their powerhandling.

The new kicker comp VR's come in 15's, and sound awsome. They are probbly about $250 -$300 for a pair of em on ebay. In a store, prolly $500-600(for the pair). But, you need a lot of power. If you are really goin for an impressive system, look into JL w7, Rockford Hx2's, Or Brahma's. Phoenix Gold makes some killer subs too. But, 2 JL w7 15's, is prolly gonna need an 1000+ amp per sub. So your lookin at prolly 1k for your pair of subs, about 3-5cu foot per sub in a sealed box, then prolly another 2k for your amps, and another couple hundred for double ought wire.