I knew it was rusty but £eck me!!

[NZ_M3]

Originally Posted by Pip1968

I am popping down to Munich Legends tomorrow to get the flange cut and rewelded complete with a new flange as one of my flanges has cracked. I tried at the dealership for a new back box under warranty due to cracked flange but they turned me down despite saying that a lot of other owners had had it covered under warranty.

Robbing gypsies

Pip

If you are doing that might pay to get some rust proffing on the new flange or paint it with high temp VHT exhaust paint - otherwise it'll just corrode and break again.

My opinion is using the clamp bushing might be an easier method and longer lasting.