2000 Grand Prix GT.
220,000 miles.
A couple weeks ago I replaced an old rusty o2 sensor (downstream) and it took some elbow grease. Turns out I put a nice gap between the converter and resonator when kicking and pulling to get the old sensor loose. The result is a big bad exhaust leak. I fixed it with exhaust cement putty stuff which held for a few weeks but is really starting to fall apart now.
Anyways, shop tells me they can't splice it with a new pipe because of too much rust on the converter and resonator but they will let me bring my own parts. I am only trying to get 6-18 months out of this car before it's time to sell/scrap.
So, my first question is if I can safely go with the cheapest resonator and cheapest converter found on RockAuto and expect (mostly the converter) to last 6-18 months. My second question is how the resonator attaches to the rest of the exhaust. Shop told me it bolts on but it doesn't look that way to me. Thanks!