Toyota Avalon Flex Pipe

I Have A Leak In The Flex Pipe From The Exhaust Manifold - The Shop Says The Only Way To Fix It Is To Replace The Whole Catalytic Converter...

My Toyota Avalon 1996 Is Making A Sound And I Have Verified That It Is My Flex Pipe On The Exhaust That Needs Changing. I Have Found Places...

If The Braided Part Of A Flex Pipe Has Deteriorated Or Is Completely Gone, But The Inside Parts Are Still Good And There Is No Exhaust Leak...