These types consist of a stainless steel (AISI 304) twin walled bellow with a single layer of external stainless steel wire braiding, assembled together by using aluminized / stainless steel end caps. 

These types of Exhaust Connectors are used where the typical temperature of exhaust is up to 650º C. These are used towards the rear section of the exhaust system. Incase of petrol engines, these are used around the rear silencer whereas incase of Diesel engines, these are used after the catalytic convertor.