I found these 2-piece flanges as an option to replace the warped ones currently on the truck
http://www.summitracing.com/parts/wlk-36133/overview/
These would allow me to cut the old ones off, and put the new ones on without having to cut or remove any sections of existing pipe.
The only catch is the price. If I need to replace all 4 flanges (worst case scenario) at $24 each, I might just be better off paying a shop to weld a better type of joint on there. Am I wrong in thinking that?