So my fuel filter fitting from tank to filter is rusted on. I spent all day banging it with a hammer, PB blasting it, and trying to get it off with my 14mm. after repeated use, the 14mm wound up rounding the bolt. awesome. vice grips did even worse. I cannot get this bolt off!

What should I do? I cant heat it with a torch

So what do I do?

Continue to try and get this filter off?
Try and find new hard lines that are not all rusted to shit?
Get a "performance" filter and SS lines?

let me know please!! I think this may be the fix for ever time i fill up with gas i get a CEL! lol

Thanks
Matt