On re-installation make sure you use grey never seize compound. You will not regret it when ever you take this system apart.

I realy want myself to be able to dis-connect the exaut system with minimum problem because it is all stainless except the down pipe and I realy want the under the axle pipe. It is so easy to pull out from under the car to work on it. The cat triangular flange has been drilled for 5/16" inox bolts to join the down pipe.

This down pipe is an original Volvo part that has had a couple electric welds on it. First to weld a new triangular flange in place and also plug some local pit corrosion that showed up at the support bracket and also where the sound froof metal shells touch the pipe.

A long time ago I removed these sound froof shells to prevent road salt from accumulating and bore the rather heavy wall OEM down pipe. This pipe last a long time when repaired.

Around 2001 I found some 2 inch o.d. used dairy farm milk inox pipeline and welded the angles the best I could. Needless to say I had to make many adjustments afterward. Of course I had the time since I was retired.

Since I have not purchased inox U bolts I need to replace these every 2 years due to galvanic coorrosion. We have road salt all winter in our area.

I dont think I will see the end of this exaust system ,it will never corrode.