This is the current front brake upgrade that i am looking at.
Evolution Big Brake System Level 3: Our Level 3 brake system uses the Porscheâ 996ä MonoBloc 4 piston calipers and incorporates enormous 320mm x 30mm S4 rotors. This front kit is the Ultimate upgrade for those wanting incredible stopping power to meet the demands of any track or street conditions. Our kit comes complete with: 996 calipers*, OEM S4 rotors, billet T-6061 anodized caliper adapters, custom aluminum brake line mounts, hardware and special DOT 4 brake fluid.
From Evoms.