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			Short answer, yes, any slotting and/or drilling will accelerate the wear of your brake pads somewhat.  As a dealer for DBA (Disc Brakes Australia), their testing has shown an average of of 10% increase in wear for their slotting and XS drilled & slotted rotors.  I can't speak for Baer, but I would imagine that it's something similar.
 Tobin
 KORE3
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