The Brembo GT rear big brake kit for 2011–2012 1M outfits the rear axle with cast four-piston calipers and two-piece 345×28 mm drilled rotors in silver for those model years. The opening names the product and explicit application for shopper clarity. The kit includes cast 4-piston calipers and drilled 345×28 mm two-piece rotors in a silver finish; confirm hub compatibility and wheel clearance before fitting.
Brembo 11-12 1M Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Drilled-Silver