BMW 4 Series F32 428i Coupé (Automatic Gearbox‚ without Tow Bar‚ None xDrive + N20 Engine Only) YOC: 2014 - 2016 Part: Cat-back Info: 435i-style dual-outlet. Non-resonated (louder). Titanium Tips. Requires 435i M Sport rear valance vom your BMW dealer tailpipe design: Twin 90mm GT90 pipe diameter: 76,2mm /3inch EC-approved: No Race system: No Valvesonic: No Part no.: SSXBM1022