Thoughts/do I need to dent my new headers, new pics ?

I only use his cut and butt method now. When people watch me do a patch with that method and wind up with an almost flawless patch, they are impressed, and I own it all to Tony.
Do you use the 45 degree angle cut?

It's amazing how clean a patch you can do using this method.

Here's one of his videos.

Trust me.. its like popcorn, you cant watch only one...