Truthfully, you're only cutting a hole, so is it really that hard to install? You take the mount, draw a circle, and cut. I'm going to see if the tweeter mount will fit in the A-pillar, but I don't think it will because the cup is pretty big as is the ring around the tweet. This will have to wait a week or two because I have too much stuff going on outside of the car.

 

Very true, a-pillars are less expensive to replace and easier to remove, less noticable to theives-wrong, the a-pillar is way more noticable than the outside than the door panel. And there's no way it's going to look like stock a-pillars. You also can just leave the tweeters in and still sell the car, you don't "have" to replace the door panel, it'll be upgraded speakers.

Like Livejay said, it's pretty easy to do, depending on the size of the ring on your tweeter, mine are pretty big. First, obviously, remove the door panel, next place the bottom ring of your tweeter(the part that's going through the hole) and try to center it as good as possible, and mark where to cut. I used a hole saw and a dremel tool and found that to be the easiest. Cut the hole, you almost have to do some trimming on the underside of the door panel on the white strips of plastic that run right above the hole. You need to do this because of when you go to install the retaining ring that plastic will interfere. I put the crossover in the bottom of the door on the inside with some industrial strength double sided tape, there's a perfect little groove down in there for it and it won't interefere with the window. You might need to use the rings when installing the 6 inch woofer depending on what size your are (6 3/4, 6 1/2...etc) Run the wires so they won't be crimped when reinstalling the door panel and poof, you're done! On a scale of 1-10 this like a 2, or 3 for difficulty!