extended

Hi, new member here. I’ve been out of the car audio game for about 15 years. I would like to put a couple 8’s under the back seat of an extended cab F350. I have a JL audio JX 500/1D amp, and the subs need to have less than 5” mounting depth. I’m looking for suggestions, I have no idea what...

I have a 2008 Chevy Silverado extended cab and I want to add some subs to it. My top choice would be the kicker 12" L7's, but if I cannot create enough space under the seats I will switch to different ones. I Just want a lot of loud bass. I was wondering if anybody could help me on trying to...