[MBEngineering]

HI

both the part No's are still available

exhaust nuts from a Audi A6 Avant Allroad V6 Diesel

2003 is the 059 131 529 at M8X15 wide at the base X 21 long

2007 is the 057 131 529 G at M8 X (what looks like) 27 Long,

I will order some today and let you know what turns up, plain nuts or barrel nuts

both priced at £1.98 each + vat =£2.37

Porsche exhaust nut is 999 085 001 02 at £4.82 +vat =£5.78