Hi all!
Just bought a beautiful black 2011 f150 super crew 5.0
I don't have the navigation and don't think I have Sony Speakers, no sub under the back seat. I need a little bass! So what are my options for adding a sub (or 2)? Are there any good custom boxes out there? Thinking about possibly doing 2 10s. Or possibly 12s possibly sundown audio subs not sure yet though What will I need to connect it all to the factory head unit?
Thanks!

 

Your best bet is to get a Cleansweep or something similar. There are also some prefabbed boxes that go under the rear seat that will hold 2 10" subs of your choosing.

 

Check in here. Lots of topics on this.
https://www.f150forum.com/f30/

 

Thanks for that link! On my phone is don't even see that! All is we was the 2009-14 f150 forum, thanks!