Material: stainless steel(SUS304) Main pipe: φ60.5mm Tail pipe: φ80mm / 4 tip Contents: rear silencer (not come with diffuser on the picture) Installation: needs to cut factory exhaust and rear bumper. Control valve: not available.
Approved: JQR (Meet Japanese standard)
Noise level for reference (It might be different depending on the condition) 86dB at 4725 rpm