Structures:
1) interlock + flange
Size can be produced as per client's requirements

Effect:
1) Automobile exhaust system component
2) Installed between engine and muffler
3) Used to decrease engine noise and vibration
4) Absorbs muffler pipe thermal expansion and shock
5) Compensates for exhaust converter misalignment
6) Reduces air pollution
7) size, diameter and length can be produced as per clients requirements