BMW Genuine Exhaust Silencer/Muffler Mounting Parts Set

• Pre intermediate, and final silencers are necessary in order to keep noise generation within legal limits.
• Also important for precisely-defined back pressure behaviour, to achieve optimal engine performance and lower fuel consumption.
• In addition, through its special tuning, the typical dynamic BMW sound is achieved.

Represented by part number 2 in the diagram.
Note: Silencer is not included.