The Brembo Rear GT big brake kit fits the rear using four-piston cast calipers and 380x28 two-piece drilled rotors finished in Red. The two-piece rotor design and four-piston calipers improve heat dissipation and braking consistency for demanding driving. This rear kit is listed for 2008–2012 Quattroporte applications according to the product description.
Brembo 08-12 Quattroporte Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Red