Part no.：

4101-31511C(carbon)

Application：

G15 M850i/N63B44

Discription：3DDesign diffuser 3108-31521 must be needed to install.

Material: stainless steel（SUS304）
Main pipe: φ70mm X2
Tail pipe: φ95mm / 4tip, carbon
Contents: rear, Joint pipe x2
Installation: needs to cut factory exhaust.
Control valve: available.

Approved：

N/A　

Noise level for reference: 90dB at 4000rpm