Muffler (sus φ90x4tip)..Export version
Part no.: 4101-28211
Application: F80/82 M3/4 N55B30
Discription:

Material: stainless steel（SUS304）
Main pipe: φ70mm
Tail pipe: φ90mm / 4 tip
Contents: rear silencer
(notcome with diffuser on the picture)
Installation: needs to cut factory exhaust .
Control valve: available.

Approved: N/A

Noise level for reference
(It might be different depending on the condition)
98dB at 5000 rpm