What pads are you using? I'm using the stock CTS-V ones and they are ridiculously dusty but work amazing. I'm guessing yours are ceramic?
12.59 @ 107.79
Show:20% tint(50% Windshield), Gunmetal VMR V710's w/Bridgestone RE-11's Front:245/40R19 Rear: 285/35R19, GXP Diffuser, DDM 35W 6K HID's, Holden V8 Badges, TSS Darts
Go: Vararam CAI, LS7 MAF, RC Ported Intake and TB, SLP UDP, Kooks 1 3/4(no cats), Corsa Exhaust, 3200 Stall, Spartan Tuned
Brakes/Suspension: 6pot CTSV Brembos, Pedders GSR Struts/Shocks on HD Springs, BMR Front/Rear Sway Bars w/endlinks, BMR Subframe and Tunnel Brace, BMR Bushings(Front, Rear, Rear Cradle)