I installed 3 Starla cat-back exhaust systems in the past 2 weeks (240, 940, 960) everything went well, but each one had a small leak at one joint that would not stop with tightening of the clamp. The pipes were inserted beyond the slot in the outer pipe, but still leaked a bit. What's the key to getting a good tight joint on a new exhaust?
Marlin

I always mark the inner pipe with a circle at 1 inch and two circles at two inches - that way, before I tighten everything up I can see how much each pipe is inserted and even things up.

I agree that the volvo circle clamps are the best. I use them on other cars as well.

I have found that the "U-bolt" style clamps don't work well on my Volvos.
I now only use the circle style that was original equipment.
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"Differences of opinions should be tolerated, but not if they're too different' - Sharon Craig

The key to leak free connections is well fitting pipes. If the leak is significant, put on another clamp that is rotated 90 degrees to the first one.

I always drill a small hole in the bottom of the low end of every new muffler that I install. It keeps water from collecting in the muffler and prolongs it's life.

Greg