Well I had two 10s between seats subs up port back, rattled back wall pretty good. Sounded good after i got rid of vibrations. Buddy had me do a few of those stealth boxes that hide under your bench seat. Those suck for real. If you want good sound you need a decent speaker or two and a good box. You got two options try and stuff things into the area you got with seats, or somethings got to go. Trucks dont have trunks so we got a back seat.