Muffler set (sus φ90x4tip)
Part no.: 4101-32911
Application: G29 Z4 20i / B48B20B
Discription:

Material: stainless steel（SUS304）
Main pipe: φ80mm
Tail pipe: φ90mm / 4 tip
Contents: rear silencer
Installation: Replacing the factory exhaust with this product.
Control valve: Available.

Approved: JQR (Meet Japanese standard)

Noise level for reference
(It might be different depending on the condition)

83dB at 3750 rpm