Muffler set (sus φ90x4tip)
Part no:
 4101-30112（stainless）
 4101-30112C（carbon）
Application: G01X3 M40d / B57D30B
Discription: For M-Sport only

Material: stainless steel（SUS304）
Main pipe: φ76.3mm
Tail pipe: φ90mm / 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 3300 rpm