The Brembo GT big brake kit for 2008–2017 Audi A5 and 2009–2016 A4 fronts pairs six-piston cast calipers with 380x34 mm two-piece slotted (Type 1) rotors finished in fluorescent yellow. The listing specifies front axle hardware sized for those Audi models and notes the multi-piston caliper configuration.
Brembo 08-17 A5/09-16 A4 Front GT BBK 6 Piston Cast 380x34 2pc Rotor Slotted Type1 - Fluo. Yellow