Length:6" Material:Stainless steel Construction:Bellows+inner braided+out braided . Material:high quality stainless steel,stainless steel or Aluminized trumpet mouth.2. Heavy duty,inner and outer double braiding.3. Middle double bellows.4. Isolate noise,relieve vibration,reduce the stress on the pipes This series of professional quality flexible exhaust connector pipes is intended for weld-in ...