What kind of pads are you using? It sounds like the pads are tearing up. I know with the slotted and drilled R1s I have, they dusted up a bit in the beginning, but once the pads settled, the brake dust has been nonexistant.

I am using Posi Quiet ceramic brakes pads with my R1 Rotors.

I have to say I highly doubt it would be the rotors being bad. Do you feel the brakes pulsate or anything when you apply them? Indicating a warped rotor or anything? I would check your pads and see what kind of condition they are in. And are they new pads or ones you had from your prior setup?

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James Shafer 2003 GP GTX St. Louis MO
1.9 Modified Rockers, TOGs, 180 Tstat, PRJ 10.4 Wires, P/P Gen 3, SLP Ram Air Hood/Wizaired CAI, Gen 1 Spoiler, 3.5 Pulley, 18" TSW Mondellos w/ AGX Struts, SSC Gen II Springs