It used to be you could just get quality sound out of isolates which you paid a couple of hundred for. Circumstances are different.

I'm running these in a 97 Nissan Hardbody lord taxi off a Pioneer head unit. While they fit in the first speaker gaps, custom mounting was required. They round out the top of the line and mid-run precisely as I need and they sound far superior than they ought to for what I paid. Bass is likewise superior to anything I expected, yet I would propose other committed speakers to deal with the low end of things.