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Muffler (sus φ90x2tip)
Part no.: 4101-23018
Application: F3x 320i, 420i / B48B20A
Material: stainless steel(SUS304)
Main pipe: φ70mm
Tail pipe: φ90mm / 2 tip
Contents: rear silencer
Installation: needs to cut the factory exhaust.
Control valve: not available.
Approved: JQR (Meet Japanese standard)
Noise level for reference
(It might be different depending on the condition)
84dB at 3750 rpm
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