A buddy of mine has the same setup on his GSR/ITR motor with no a/c-p/s. He doesnt have any problems. Its OEM so it cant be that hurtful to your setup, if at all. At least its not like the AEM pulleys where it destroys your alternator.
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2016 BMW 340i M-Sport / 2013 Chevrolet Volt / 1999 Subaru Impreza RS EJ205