Muffler set (sus φ90x2tip)
Part no.: 4101-22012
Application: F20 118i,120i / N13B16A
Discription:

Material: stainless steel（SUS304）
Main pipe: φ70mm
Tail pipe: φ90mm / ２ tip
Contents: rear silencer, joint pipe
Installation: needs to cut factory exhaust .
Control valve: not available.

Approved: JQR (Meet Japanese standard)

Noise level for reference
(It might be different depending on the condition)
83dB at 4837 rpm

*the diffuser in the picture is 3108-22011