Car is a MY2007 i6 - It looks like brake pipe junction and it's leaking! - However my power steering pump is making a racket and the steering has gone all heavy - related?

Click image to enlarge

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Given those clues, the dia of the pipe and the proximity of the steering rack in your photo rather than routes towards wheels, I agree it likely that it's the leak and the loss of pressure (or fluid) is making it feel heavy Gone... 2013 XS TD4 Manual Firenze Red
Gone... 2008 (09MY) XS Td4 Manual Stornaway Grey
Prior... 2003 G4 Discovery 2, 1998 Disco 1 and 1997 Disco 1 Company car before that
Also gone in Nov'13, after 7.5 yrs, to new owners with time for more TLC - 1980 Series III 88
Current 2015 Discovery Sport HSE 2.0

Those pipes are supply and return pipes for the power steering .
This diagram shows the bracket and pipework.

Thanks chaps - reservoir is empty and topping up led to it leaking out at the rusted through pipe as soon as I started it up. Off to garage tomorrow then to get it fixed.
Taz where did you locate that diagram ?

http://lrparts.ru

Select English and the rest is easy to find

Thank you

Just as a follow up, my car went into local independent and they replaced the power steering pipe assembly that is shown in the picture,replaced the fluid and it's all fixed and working fine. The pipes are alloy and in a metal bracket and 7 years has seen them rust out - leading to the inner rubber hose to split.
Good news was that it only cost £143 inc Vat in total