182 Exhaust sleeve diameter?

[Faxo]

I got a 60.5mm one, but its abit too big and its now blowing at the joint after only 2 days lol, so what is the correct size one? Its to connect the back box to the centre box

 

[YorkshireDaz]

Pics of new said car...

 

[Faxo]

Lol, its just a standard cup packed 182, its a tempory drive until i save abit more for an Audi A3

 

[Faxo]

Anyone?