Muffler set (sus φ90x2tip)
Part no.: 4101-22011
Application: F20 116i / N13B16A
Discription:

Material: stainless steel（SUS304）
Main pipe: φ50.8mm
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)
82dB at 4837 rpm