Ooops I think I have posted an empty message ! here it goes!

Is it possible that a 1982 carburetted North american 240 asssembled in Halifax have two resonators and a muffler but no catalytic converter.
One that I am thinking of buying has something that looks like a catalytic converter where the cat sits on more recent 240s there is no O2 sensor visible the muffler shop where I had it inspected says that it is a resonator and are asking for more than 2210$ to change it becauseit is broken where the down strem pipe connects. They say its not a cat " If so do I really need it it seems that a straight pipe woud be cheaper.

We moved to Canada in 1984 with our California-spec 1983 244, and after many years needed a new exhaust system. I got it at the Volvo dealer with their lifetime warranty. They quoted (1992 or so) about $250C for the system that came stock on the Canadian models of that year (no Cat) and around $700C+ if they had to import the US-spec system with the Cat. I went for the Cdn system which had the headpipes siamese into a single pipe back to the front muffler...no provision for a Cat.

Now back in California, I replaced the 10-yr-old rusty Cdn system with pieces from FCP, including a Cat. and passed smog without problems. Cost was around $230US.
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Bob (81-244GL B21F, 83-244DL B23F, 94-944 B230FD plus grocery-getter Dodge minivan, MGB, and numerous old motorcycles)

I had a canadian-spec 1981 240. it had no cat at all. I suspect a downpipe without cat would run you about CDN$50 or so.

That was wrong the price is 220$