I am indeed in Toronto. We don't have Harbor Freight here but we do have Princess Auto where a 'disposable' 4 1/2" angle grinder can be had for CA$40. The more pressing problem however is that while I was under the car cursing the welding fool for having gone to town on BOTH sides of every bolt in the system, I found my flex pipe flanges are pretty roached and I'll need to replace that as well. I can get a good deal on a new, stainless flex pipe (US$129) from a local manufacturer, but of course as has been my luck today, they're a Mon-Fri shop. It looks like this will now be a next weekend project.
I ran into that issue of destroyed flanges when I did my exhaust work, I ended up welding the entire system, the only thing that bolts on my exhaust now is the y pipe that runs under the oil pan to the precats I know you probably won’t be doing this, because I was doing custom work, just tying to say I feel your pain lol
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