Changed the rotors and pads on my 03 STS last weekend. The job was very easy (3 bolts not counting the wheel) and my $12 PEP Boys tool worked well for turning in the pistons. The rotors went from good in April to horrible in May. The right rear was so bad there was a section of the rotor about 4 inches long on the one side the pad was not touching. Shook the car very badly when applied. The original brake pads looked like new with 31K miles. Installed EBC drilled and slotted rotors with Raybestos ceramic pads. So far very smooth braking and no noise.