metallic or semi-metallic linings will do that.
Mine are ceramic though.Just wondering, is this why many people prefer ceramic pads?
The friction surfaces, I mean. Some cars have perfectly shiny rotors.
Even at a distance they don't look very good. Trust me, this car is my daily driver and I can tell.Because you're way too close to them.
Stand back further, they'll start looking better.
That's just how the brakes were designed.surprised you didn't mention the little strip of rust towards the center.