So I bought Speed Daddy headers and thought I should prolly by a double walled flex section since the ones that came with te speed daddy headers are prone to leakage. So it came welded in, and I was wondering if this is the correct piece to replace it? I would have to get the existing flex section cut off an replaced with this ZZPerformance - Interlock Flex Section #. This is the right part correct? And what size would I need?