Muffler (sus φ80x4tip)
Part no.: 4101-18212
Application: E82 135i / N54B30A
Discription: not for left handle drive vehicle

Material: stainless steel（SUS304）
Main pipe: φ70-50mm
Tail pipe: φ80mm / 4 tip
Contents: rear silencer.(not come with diffuser on the picture)
Installation: needs to cut some plastic panel, although it not needs to cut factory exhaust pipe.
Control valve: available

Approved: JASMA (Meet Japanese standard)

Noise level for reference
(It might be different depending on the condition)
72dB at 740 rpm
86dB at 4350 rpm