And it will make all the difference in the sound (over just the grill speaker). I did it, used marine speakers, installed them in wooden boxes I built. There is not much room for them, so what I built just did fit. And yep, they are right there in the cab corners.
I kinda like cranking Skynyrd or Blackberry Smoke up to 8 while I'm tooling down the road...᠁᠁.( I know, I know, THAT ain't for everybody).
