They will work but I might suggest rock auto where you can get loaded IS350 calipers for $500 per pair or you can get a pair of calipers without pads for $260 per pair and get a good set of stoptech pads for $50. Boom, full brake upgrade for under $350.
-2015 Audi S4 -2014 Lexus IS350
-2013 BMW X3 -2008 Honda Civic SI track car
-2001 Spec Miata track car