sub choice

[Tahoejoe]

A7Mad - Little late on reply but better late than never. Choose a sub to meet your exact needs for price, space and enclosure type. The following subs will easily meet all 3 of your needs and provide great performance sealed or ported while using under 3 cubic feet of airspace for the pair. The mounting depth is shallow enough to put anywhere you want.
http://www.sonicelectronix.com/item_9331_Alpine+SWS-1023D.html

If you get an amp able to provide 200-250w RMS at 2 ohm your subs will fill your truck with SQ not just SPL loudness. Here is an amp that will keep you under your 400 price total.
http://www.sonicelectronix.com/item_12018_Alpine+MRP-M500.html

Wire like so at 2 ohm.
http://www.the12volt.com/caraudio/woofer_configurations.asp?Q=2&I=22

 

[klownin04]

I dont know if u have heard of them before bu FI subs are some of the best i have heard ever. I have been in the car audio game for over 15 years and these are all i run now. The guy that started this company use to be the lead designer for RE https://ssl.perfora.net/www.ficarau...ata/0050_Speakers/product_overview.shopscript

 

[2000Yukon]

^+1
I've got an Fi SSD and I love it. These things are resilient and can take the abuse. Product quality is amazing, the sound quality is amazing and the prices are great.
I listen to all kinds of music and it sounds great on all of them.

 

[09 Tahoe]

If your looking for something small--check out the Kicker 8in. -L7's. I have 2 in a ported box in a 08' Scion Xb with a Soundstream 1000w mono amp and people swear I have 12's in it. Either way you go a ported box will hit harder unless you go with a sub made for a sealed box. Even 1 solobaric 8 will impress you. They handle 450w RMS each. I've had mine for 2 years now--in a 2007 Silverado crewcab and now the Scion.

 

[blueflamed03]

If your looking for something small--check out the Kicker 8in. -L7's. I have 2 in a ported box in a 08' Scion Xb with a Soundstream 1000w mono amp and people swear I have 12's in it. Either way you go a ported box will hit harder unless you go with a sub made for a sealed box. Even 1 solobaric 8 will impress you. They handle 450w RMS each. I've had mine for 2 years now--in a 2007 Silverado crewcab and now the Scion.

we had a Buick GN in our booth at Daytona a couple years ago, four ported L78's, holy smokes! That thing wanged for four 8's....