Muffler(sus φ90x4tip)
Part no.:
  4101-33013(stainless tail tips)
  4101-33013C(carbon tail tips)
Application: G30/G31 540i / B58B30A
Discription:

Material: stainless steel（SUS304）
Main pipe: φ80mm
Tail pipe: φ90mm / 4 tip
Contents: rear silencer Installation: needs to cut factory exhaust .
Control valve: Available.

Approved: JQR (Meet Japanese standard)

Noise level for reference
80dB at 4100 rpm