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      02-07-2017, 06:24 PM   #2
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

iTrader: (35)

Maybe a small rock got stuck between the shield and rotor?

Two piston front is the same pad shape as any of the other colored calipers on the F chassis. A good street pad that dust slightly less but still provide better brake torque than OE would be Stoptech Sport or Porterfield R4-S just to name a couple. There are many others out there with similar characteristics.