I've never built a smoker, but I've torched a lot of metal over the years.
So yea, I'd heat and bend. You might need some blocks and ratcheting strap to "encourage" things along though.
Neat build though. One of these days I'd love to start a thread like this.
"Do not eat the meat raw or boiled in water, but roast it over a fire." - Exodus 12:9