The Brembo two-piece rear rotor for 2012–2016 991.1 C2S/C4S/GTS (excluding PCCB) is a 350×28 mm two-piece disc with a Type-3 slotted face. Sold as a rear rotor set, the description specifies the 2-piece construction and slotting to match the listed 991.1 applications without PCCB equipment for correct rear replacement.
Brembo 12-16 991.1 C2S/C4S/GTS (Excl. PCCB) Rr 2-Piece Discs 350x28 2pc Rotor Slotted Type3