99/100 its the middle exhaust bracket - crap piece of design
Yep it's usually that one and is easily fixed with a quick spot of welding. Any exhaust place should be able to do it for a few beer tokens.
Guys, you ready for a laugh

I called in at ATS to get them to look at my exhaust, he puts it up on the lift sorry I dont the names of the parts but coming back form the engine there was a bulge in the exhaust :embarassed: then there was a plate with the bracket underneath it which like someone said "crap design"
This had the exhaust goint through the middle doing the impression of a swing

Not sure if I had mug written on my forehead today but he said I'd need a new rear section then he couldnt find one in his book for a AUM engine and tried selling me some other one £230 I think he was having a

Next stop find someone who can do a bit of welding ....
Any pics of your repairs appreciated