Dunno why it is, but Michael Day is correct - all rotors I know of rust almost while you watch. First couple of stops and it's gone.
I can't see plating/coating doing anything - it'd be scraped off by the pads.
At least the Raybestos ceramic pads will eliminate the black dust - you'll love them, I do!
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\'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler, E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5\", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
Traded in \'02 Silver Touring Edition w/87,000 miles
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