What is the hose in this picture right below the arrow pointing to the intake?
 

<center><img src="http://www.drwombat.com/audi/resource/18t.jpg"></center><p>It's an L shape. Anyone have a part number? 2001 A4 AWM. Thanks.

you mean the turbo inlet pipe (tip)
 

<ul><li><a href="http://www.purems.com/products/product.php/II=983">http://www.purems.com/products/product.php/II=983</a</li></ul>

known here as the "L" hose
 

I've replaced my factory piece. I believe the replacement is an improvement over what came from the factory. It's a cheap part and easy DIY.

we call it the "L hose" search for it and you will find p/n

nm its the L hose - common problem of it cracking

some info
 

<ul><li><a href="http://www.modifieda4.com/web/tech/connecting-hose.html">http://www.modifieda4.com/web/tech/connecting-hose.html</a</li></ul>

Thanks everyone. Looks like it's a quick and cheap fix.

I prefer peace pipe

Yup - piece of cake.

buy a suction jet pump at the same time (you won't regret it)