Muffler(sus φ80x4tip)
Part no:4101-23912
Application: F39 X2 18d / B47C20B
Discription: For M-Sport only

Material: stainless steel（SUS304）
Main pipe: φ70mm
Tail pipe: φ80mm / 4 tip
Contents: Rear silencer
Installation: needs to cut the factory exhaust.
Control valve: Not available.

Approved: JQR (Meet Japanese standard)

Noise level for reference
(It might be different depending on the condition)
77dB at 3000 rpm