034Motorsport Billet Aluminum Rear Subframe Mount Insert Kit, B8/B8.5 Audi S4/RS4, S5/RS5, Allroad, Q5/SQ5 MSRP: $233.09
Stoptech ST-60 Big Brake Kit With 380x32 2-Piece Rotors & 6 Piston Caliper (Fits: Audi B8/8.5 S4/S5) MSRP: $4,600.00 - $4,700.00