Standard size turbo down pipe

[Da55l3]

As above the bit with lambda sensor on it
stainless steel one please if they are any good

As already got the cast iron one

 

[PobodY]

I'd probably describe that as the elbow rather than the down pipe. - If Bogdan is open to it you might be able to put your name down for one of his, but failing that Spikey is selling them on eBay.