I just had a stereo installed which includes 2 4x6's in the dash, 2 6 1/2's in the doors, 2 4x10's in the extra cab, 2 tweeters in the doors (at approx ear level) and a 10" sub in a sealed bx in the back. This was all installed in a Chevy S-10 extended cab. I have the dash,doors & tweeters...