Hooker Header Repair Tips and Tricks

I have a set of Hooker 5303 1-7/8 headers on my small block A Body drag car. The left side tubes got bent up from getting snagged on the trailer. I'd like to replace these tubes if anyone has them but since that's a slim chance, I'm looking into repairing these. I'd like to hear any tips and tricks on repairing Header tubes.

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