Muffler (sus φ80x4tip)
Part no.: 4101-21016
Application: F10 AH5 / N55B30A-M230
Discription:

Material: stainless steel（SUS304）
Main pipe: φ60.5mm
Tail pipe: φ80mm / 4 tip
Contents: rear silencer
Installation: needs to cut factory exhaust and rear bumper.
Control valve: available.

Approved: JQR (Meet Japanese standard)

Noise level for reference
(It might be different depending on the condition)
82dB at 4350 rpm

The diffuser in the picture is 3108-21041