Whats this 997 turbo exhaust?

[windy100]

Standard cars I have seen always have single chrome outlets rather than these.
http://www.lawtonbrook.co.uk/current-stock/for-sal...

[IMIA]

doesn't mention sports exhaust so may just be the tips have been changed - very common mod

[Shewie]

Hard to tell from the pics, but certainly aftermarket. As you say the Porsche exhaust tips are oval and single on each side.