There are two types of flaming LED muffler tips.
The inlet size is the inner diameter.
Two colors: red and blue
Two sizes: 51-76mm/63-89mm (Inlet size is inner diameter )
Please make sure of this before you order it.

Special Features: LED light Muffler Tip
Mounting Position: Rear
Type: Muffler
Material Type: Stainless steel and fiber carbon
Color: Red/blue
Inlet size: 51/63mm (Inner diameter )
Outlet size: 76/89mm
Net weight: 0.7kg
Type of carbon: Flaming LED pipe
Overall length: 165mm