Muffler (sus φ90x4tip)..Export version
Part no.: 4101-28711
Application: F87 M2 N55B30
Discription:

Material: stainless steel（SUS304）
Main pipe: φ80mm
Tail pipe: φ90mm / 4 tip
Contents: rear silencer
(not come with diffuser on the picture)
Installation: needs to cut factory exhaust .
Control valve: available.

Approved: N/A

Noise level for reference
See 4101-28712