LH Front Pipe Assembly {This part is only required if fitting Milltek Cat-Back Exhaust System to OEM Catalysts} 2.75" (69.85mm) RH Front Pipe Assembly {This part is only required if fitting Milltek Cat-Back Exhaust System to OEM Catalysts} Centre Silencer Replacement Assembly ValveSonic LH Rear Silencer ValveSonic RH Rear Silencer C7 4.0 TFSI biturbo quXtro inc Performance Edition