I've got >32,000 miles on my '04' and the pads have plenty of friction mat'l.
The shop manual is very specific on minimum thickness and the wear indicator. I suggest you check these specs before wasting your money [^] ... no machining rotors, so stay away from
MIDAS [

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More importantly, you should be changing your brake fluid yearly (DOT 4 or 5.1) and also the swollen rubber brake hoses to SS brake lines on your '02' [:0] then you'll see a drastic difference in brake performance. Just my .02