Aeroflow's range of 304 stainless steel interlock flexible exhaust joints are perfect for those wanting to soak up excess vibrations and movement caused by your enginewhen custom making an exhaust system. This allows a slight amount of movement that can help when aligning or fastening exhaust flanges and V-Band's. As well as soak up linear movement, as the exhaust system heats up and expands during use. The semi-flexible section is wrapped with an external mesh to enhance strength and durability. More importantly, when added to your exhaust system, it can help reduce common problems found in otherflex couplers such as rattling, rubbing, collapsing causing potential damage.