Center Pipe and Rear Silencer.

All tailpipe silencers have an Aluminized mild steel outer casing. The rubber support hangers are silicone based.

The MINI COOPER  has a silencer located at the front of the center pipe, which has a volume of 1.8 liters. The rear silencer is finished with a polished stainless steel tailpipe trim, known as the "Coke" can design.

Fig 1: MINI COOPER Exhaust

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: MINI COOPER S Exhaust

Courtesy of BMW OF NORTH AMERICA, INC.