Requires rear mounting brackets (Part numbers: 18 30 7 806 567 and 18 30 7 574 951) for the 123d model (available from your BMW dealer)
Tip Style: Twin 76.2mm Special , Pipe Size: 69.85mm /2.75 inch
EC Approved: No / Race System: No/ Valve Sonic: No / Approx Install Time N/A